@article {2389,
	title = {Cytotoxicity of the traditional chinese medicine (TCM) plumbagin in its copper chemistry},
	journal = {Dalton Transactions},
	number = {48},
	year = {2009},
	note = {ISI Document Delivery No.: 527IETimes Cited: 3Cited Reference Count: 96Chen, Zhen-Feng Tan, Ming-Xiong Liu, Li-Min Liu, Yan-Cheng Wang, Heng-Shan Yang, Bin Peng, Yan Liu, Hua-Gang Liang, Hong Orvig, Chris},
	pages = {10824-10833},
	type = {Article},
	abstract = {The anticancer traditional Chinese medicine (TCM), plumbagin (PLN), was isolated from Plumbago Zeylanica. Reaction of plumbagin with Cu-II salt, afforded [Cu(PLN)(2)]center dot 2H(2)O (1). With 2,2{\textquoteright}-bipyridine (bipy) as a co-ligand, PLN reacts with Cu-II to give [Cu(PLN)(bipy)(H2O)](2)(NO3)(2)center dot 4H(2)O (2). 1 and 2 were characterized by elemental analysis, IR, ESI-MS spectra. Their crystal structures were determined by single crystal X-ray diffraction methods. The in vitro cytotoxicity of PLN, 1 and 2 against seven human tumour cell lines was assayed. The metal-based compounds exhibit enhanced cytotoxicity vs. that of free PLN, suggesting that these compounds display synergy in the combination of metal ions with PLN. The binding properties of PLN, 1 and 2 to DNA were investigated through UV-vis, fluorescence, CD spectra, and gel mobility shift assay, which indicated that 1 and 2 were non-covalent binding and mainly intercalated the neighboring base pairs of DNA. PLN, 1 and 2 exhibit inhibition activity to topoisomerase I (TOPO I), but 1 and 2 were more effective than PLN.},
	keywords = {BIOLOGICAL-ACTIVITY, CALF-THYMUS DNA, CANCER-CELLS, CRYSTAL-STRUCTURE, DNA CLEAVAGE ACTIVITY, IRON(II) COMPLEXES, METAL-COMPLEXES, N-PROPYL-NORFLOXACIN, PLATINUM ANTICANCER AGENTS, TOPOISOMERASE-I},
	isbn = {1477-9226},
	url = {<Go to ISI>://000272359900024},
	author = {Chen, Z. F. and Tan, M. X. and Liu, L. M. and Liu, Y. C. and Wang, H. S. and Yang, B. and Peng, Y. and Liu, H. G. and Liang, H. and Orvig, Chris}
}
@article {2513,
	title = {Divalent later transition metal complexes of the traditional chinese medicine (TCM) liriodenine: coordination chemistry, cytotoxicity and DNA binding studies},
	journal = {Dalton Transactions},
	number = {48},
	year = {2009},
	note = {ISI Document Delivery No.: 527IETimes Cited: 1Cited Reference Count: 91Liu, Yan-Cheng Chen, Zhen-Feng Liu, Li-Min Peng, Yan Hong, Xue Yang, Bin Liu, Hua-Gang Liang, Hong Orvig, Chris},
	pages = {10813-10823},
	type = {Article},
	abstract = {Liriodenine (L), a natural alkaloid, was isolated as an active component from the anticancer traditional Chinese medicine (TCM), Zanthoxylum nitidum. It reacted with Mn-II, Fe-II, Co-II and Zn-II to afford four metal complexes: [MnCl2(L)(2)] (1), [FeCl2(L)(2)] (2), [Co(L)(2)(H2O)(2)center dot Co(L)(2)(CH3CH2OH)(2)](ClO4)(4) (3), and [Zn-2(L)(2)(mu(2)-Cl)(2)Cl-2] (4), which were characterized by elemental analysis, IR, ESI-MS. Their crystal structures were determined by the single crystal X-ray diffraction method. The in vitro cytotoxicity of L and complexes 1-4 against 10 human tumour cell lines was assayed. Some of these metal-based compounds exhibited enhanced cytotoxicity vs. free L to selected tumour cell lines. The binding properties of L and its complexes 1-4 to ct-DNA were investigated by spectroscopic methods and viscosity measurements. Agarose gel electrophoresis experiments were also carried out to evaluate their unwinding ability towards plasmid DNA and their inhibition towards Topoisomerase I. All the results indicate that complexes 1-4 may bind more intensively to the DNA helix than does L, and intercalative binding for complexes 1-4 and electrostatic interactions for complexes 3-4 to DNA should be considered. For complex 4, covalent binding to DNA may exist. Of special note, all these metal complexes effectively inhibit Topoisomerase I even at low concentration (<= 10 mu M).},
	keywords = {antitumor agents, CISPLATIN, CRYSTAL-STRUCTURE, GEL-ELECTROPHORESIS, INHIBITION, INNOVATIVE COMBINATION, INTERCALATION, PLATINUM ANTICANCER AGENTS, RUTHENIUM(II) COMPLEXES, TOPOISOMERASE-I},
	isbn = {1477-9226},
	url = {<Go to ISI>://000272359900023},
	author = {Liu, Y. C. and Chen, Z. F. and Liu, L. M. and Peng, Y. and Hong, X. and Yang, B. and Liu, H. G. and Liang, H. and Orvig, Chris}
}
@article {2610,
	title = {HL2[P(1,2-O(2)C(6)H4)(3)] (L = DMSO or DMF): A Convenient Proton Source with a Weakly Basic Phosphorus(V) Anion},
	journal = {Organometallics},
	volume = {28},
	number = {15},
	year = {2009},
	note = {ISI Document Delivery No.: 476PYTimes Cited: 0Cited Reference Count: 114Siu, Paul W. Gates, Derek P.},
	month = {Aug},
	pages = {4491-4499},
	type = {Review},
	abstract = {Treating phosphorus pentachloride with catechol (3 equiv) followed by the addition of dimethylsulfoxide (DMSO) or dimethylformamide (DMF) affords isolable bronsted acids of tris- (o-phenylenedioxy)phosphate anion, [p(1,2-O2C6H4)(3)](-). Specifically. H(DMSO)(2)[P(1,2-O2C6H4)(3)] and H(DMF)(2)[P(1,2-O2C6H4)(3)] have been isolated as crystalline solids. The downfield shifts of the acidic proton in their H-1 NMR spectra are consistent with its expected high acidity. The molecular structures of H(DMSO)(2)[P(1,2-O2C6H4)(3)] and H(DMF)(2)[P(1,2-O2C6H4)(3)] reveal that the protons in each are O-bound by either DMSO (x2) or DMF (x2). The N-H stretching frequency for the Oct(3)NH[P(1,2-O2C6H4)(3)] ((V) over bar (N-H) =3129 cm(-1)) is identical to that observed for trioctylammonium tetrafluoroborate ((v) over bar (N-H) = 3129 cm(-1)), suggesting that the basicity of these two weakly coordinating anions is similar. A preliminary investigation of the effectiveness of H(DMF)(2)[p(1,2-O2C6H4] in the protonolysis of metal-alkyl bonds was undertaken. Treating (dppe) pdMe(2) [dppe = 1,2-bis(diphenylphosphino)ethane] with H(DMF)(2)[P(1,2-O2C6H4)(3)] affords either [(dppe)pd(NCMe)Me][P(1,2-O2C6H4)(3) (1:1 ratio) or [(dppe)pd(NCMe)(2)(][P(1,2-O2C6H4)(3)](2) (1:2 ratio), both of which are structurally characterized.},
	keywords = {ALTERNATING COPOLYMERIZATION, ANIONS, CARBON-MONOXIDE, COORDINATING ANIONS, CRYSTAL-STRUCTURE, DIMETHYL-SULFOXIDE, MIGRATORY INSERTION, MOLECULAR-STRUCTURE, OLEFIN, PALLADIUM(II) COMPLEXES, POLYMERIZATION, SUPERWEAK},
	isbn = {0276-7333},
	url = {<Go to ISI>://000268455900036},
	author = {Siu, P. W. and Gates, D. P.}
}
@article {2502,
	title = {Near-Infrared Absorbing Azo Dyes: Synthesis and X-ray Crystallographic and Spectral Characterization of Monoazopyrroles, Bisazopyrroles, and a Boron-Azopyrrole Complex},
	journal = {Journal of Organic Chemistry},
	volume = {74},
	number = {15},
	year = {2009},
	note = {ISI Document Delivery No.: 476XOTimes Cited: 5Cited Reference Count: 69Li, Yan Patrick, Brian O. Dolphin, David},
	month = {Aug},
	pages = {5237-5243},
	type = {Article},
	abstract = {Symmetric 2,5-bisazopyrroles 2(a-d) were synthesized by a one-step reaction of substituted phenyl diazonium salts [R{\textquoteright}(Ph)N2+Cl-] [a, R{\textquoteright}= 4-N(CH3)(2); b, R{\textquoteright} = 2OH; c, R{\textquoteright} = 2-CO2H; d, R{\textquoteright} = 4-NO2] with pyrrole under basic conditions. Asymmetric 2,5-bisazopyrroles 3(a-d) were synthesized by reacting substituted phenyl diazonium salts [R {\textquoteright}{\textquoteright}(Ph)N2+Cl-] (a, R {\textquoteright}{\textquoteright} = 4-OCH3; b, R {\textquoteright}{\textquoteright} = H; c, R {\textquoteright}{\textquoteright} = 4-Br; d, R {\textquoteright}{\textquoteright} = 4-NO2) with 2-(4-dimethylaminophenylazo)-1H-pyrrole (1a) under the same conditions. The reactions of 2a with boron trifluoride and iodomethane provided a BF2-azopyrrole complex of 1H-pyrrolo[2,1-c]-1,2,4,5-boratriazole (4) and 2,5-bisazo-1-methylpyrrole 5. X-ray crystallographic and spectral analysis of la, 2a, 2b, and 4 showed that la has three crystal forms: 1a(I), 1a(II), and 1a(III), the latter two bearing a bicyclic ring system formed via intermolecular hydrogen bonding. Complex 4 was found to be the most planar due to a rigid trans-azo configuration and has the longest N=N bond distances (1.322 and 1.300 angstrom) and wavelength of maximum absorption (754 nm). The N=N bond distances increase in the sequence of monoazopyrrole [1a(1): 1,253 angstrom], bisazopyrrole (2a: 1.283 angstrom), bisazopyrrole with intramolecular hydrogen bonding (2b: 1,293 and 1.293 angstrom), and the BF2-azopyrrole complex. Their maximum absorptions shift bathochromically in the sequence of monoazopyrrole (1a: 443 nm), bisazopyrroles [2(a-d), 3(a-d), 5: 486-615 nm), and the BF2-azopyrrole complex. These results are important for the design of near-infrared absorbing azo dyes and suggest an efficient path for the preparation of near-infrared absorbing azo dyes by effectively enhancing pi-electron delocalization.},
	keywords = {C-13 NMR, CI-DISPERSE-ORANGE-29, CRYSTAL-STRUCTURE, DERIVATIVES, DISAZO DYES, HETEROCYCLIC DIAZO COMPONENTS, INTRAMOLECULAR PROTON-TRANSFER, NONLINEARITIES, optical, PHOTODYNAMIC THERAPY, SOLID-STATE},
	isbn = {0022-3263},
	url = {<Go to ISI>://000268480300014},
	author = {Li, Y. and Patrick, B. O. and Dolphin, D.}
}
@article {2378,
	title = {NMR Spectroscopic Characterization of the Sialyltransferase CstII from Campylobacter jejuni: Histidine 188 Is the General Base},
	journal = {Biochemistry},
	volume = {48},
	number = {47},
	year = {2009},
	note = {ISI Document Delivery No.: 521UVTimes Cited: 2Cited Reference Count: 55Chan, Patrick H. W. Lairson, Luke L. Lee, Ho Jun Wakarchuk, Warren W. Strynadka, Natalie C. J. Withers, Stephen G. McIntosh, Lawrence P.},
	month = {Dec},
	pages = {11220-11230},
	type = {Article},
	abstract = {Cell surface glycans are often terminated by sialic acid, which is incorporated onto sugar acceptors by sialyltransferases. The crystal structure of the GT family 42 Campylobacter jejuni alpha-2,3/2,8-sialyltransferase (CstII) provides key insights into the sialyl-transfer mechanism, Including tentative identification of His 188 as the catalytic base. In support of this hypothesis, the CstII-H188A mutant is able to catalyze sialyl transfer from CMP-Neu5Ac to added anions such as azide and formate but not to its natural sugar acceptor lactose. Complementing this work, NMR spectroscopy was used to investigate the Structure and dynamics of CstII and to measure the intrinsic pK(a) value of His 188 for comparison with the pK(a) determined from the pH-dependent k(cat)/K-M of the enzyme. By systematically introducing point mutations at the subunit interfaces, two active monomeric variants, CstII-F121D and CstII-Y125Q, were obtained and characterized. In contrast to the wild-type tetramer, the monomeric CstII variants yielded good quality H-1/N-15-HSQC and H-1/C-13-methyl-TROSY NMR spectra. However, the absence of signals from approximately one-half of the amides in the H-1/N-15-HSQC spectra of both monomeric forms suggests that the enzyme undergoes substantial conformational exchange on a millisecond to microsecond time scale. The histidine pK(a) values of CstII-F121D in its apo form were measured by monitoring the pH-dependent chemical shifts of [C-13(epsilon l)]histidine, biosynthetically incorporated into the otherwise uniformly deuterated protein. Consistent with its proposed catalytic role, the site-specific pK(a) value similar to 6.6 of His 188 matches the apparent pK(a) value similar to 6.5 governing the pH dependence of k(cat)/K-M for CstII toward CMP-Neu5Ac in the presence of saturating acceptor substrate.},
	keywords = {20S PROTEASOME, CHEMICAL RESCUE, CRYSTAL-STRUCTURE, GANGLIOSIDE MIMICS, LABELING STRATEGY, MILLER-FISHER-SYNDROMES, SIALIC-ACID, STRUCTURAL-ANALYSIS, SUBSTRATE-ANALOG, TRANS-SIALIDASE},
	isbn = {0006-2960},
	url = {<Go to ISI>://000271950900011},
	author = {Chan, P. H. W. and Lairson, L. L. and Lee, H. J. and Wakarchuk, W. W. and Strynadka, N. C. J. and Withers, S. G. and McIntosh, L. P.}
}
@article {2072,
	title = {Phage display and crystallographic analysis reveals potential substrate/binding site interactions in the protein secretion chaperone CsaA from Agrobacterium tumefaciens},
	journal = {Journal of Molecular Biology},
	volume = {379},
	number = {3},
	year = {2008},
	note = {ISI Document Delivery No.: 311FQTimes Cited: 0Cited Reference Count: 52Feldman, Anat R. Shapova, Yuliya A. Wu, Sampson S. T. Oliver, David C. Heller, Markus McIntosh, Lawrence P. Scott, Jamie K. Paetzel, Mark},
	month = {Jun},
	pages = {457-470},
	type = {Article},
	abstract = {The protein CsaA has been proposed to function as a protein secretion chaperone in bacteria that lack the Sec-dependent protein-targeting chaperone SecB. CsaA is a homodimer with two putative substrate-binding pockets, one in each monomer. To test the hypothesis that these cavities are indeed substrate-binding sites able to interact with other polypeptide chains, we selected a peptide that bound to CsaA from a random peptide library displayed on phage. Presented here is the structure of CsaA from Agrobacterium tumefaciens (AtCsaA) solved in the presence and absence of the selected peptide. To promote co-crystallization, the sequence for this peptide was genetically fused to the amino-terminus of AtCsaA. The resulting 1.65 angstrom resolution crystal structure reveals that the tethered peptide from one AtCsaA molecule binds to the proposed substrate-binding pocket of a symmetry-related molecule possibly mimicking the interaction between a pre-protein substrate and CsaA. The structure shows that the peptide lies in an extended conformation with alanine, proline and glutamine side chains pointing into the binding pocket. The peptide interacts with the atoms of the AtCsaA-binding pocket via seven direct hydrogen bonds. The side chain of a conserved pocket residue, Arg76, has an "up" conformation when the CsaA-binding site is empty and a "down" conformation when the CsaA-binding site is occupied, suggesting that this residue may function to stabilize the peptide in the binding cavity. The presented aggregation assays, phage-display analysis and structural analysis are consistent with AtCsaA being a general chaperone. The properties of the proposed CsaA-binding pocket/peptide interactions are compared to those from other structurally characterized molecular chaperones. (c) 2008 Elsevier Ltd. All rights reserved.},
	keywords = {BACILLUS-SUBTILIS CSAA, BACTERIAL SIGNAL PEPTIDASE, BINDING PROTEIN, CHANNEL, CRYSTAL-STRUCTURE, CsaA, DISPLAY, LIBRARIES, molecular chaperone, phage, PROTEIN SECRETION, protein targeting, SECA, SEQUENCE, STRUCTURAL SUPERPOSITION, TRANSLOCATION},
	isbn = {0022-2836},
	url = {<Go to ISI>://000256586500006},
	author = {Feldman, A. R. and Shapova, Y. A. and Wu, S. S. T. and Oliver, D. C. and Heller, M. and McIntosh, L. P. and Scott, J. K. and Paetzel, M.}
}
@article {2285,
	title = {Probing General Base Catalysis in the Hammerhead Ribozyme},
	journal = {Journal of the American Chemical Society},
	volume = {130},
	number = {46},
	year = {2008},
	note = {ISI Document Delivery No.: 406QZTimes Cited: 8Cited Reference Count: 53Thomas, Jason M. Perrin, David M.},
	month = {Nov},
	pages = {15467-15475},
	type = {Article},
	abstract = {Recent structural and computational studies have shed new light on the catalytic mechanism and active site structure of the RNA cleaving hammerhead ribozyme. Consequently, specific ribozyme functional groups have been hypothesized to be directly involved in general/acid base catalysis. In order to test this hypothesis, we have developed an affinity label to identify the functional general base in the S. mansoni hammerhead ribozyme. The ribozyme was reacted with a substrate analogue bearing a 2{\textquoteright}-bromoacetamide group in place of the nucleophilic 2{\textquoteright}-hydroxyl group which would normally be deprotonated by a general base. The electrophilic 2{\textquoteright}-bromoacetamide group is poised to alkylate the general base, which is subsequently identified by footprinting analysis. Herein, we demonstrate alkylation of N1 of G12 in the hammerhead ribozyme in a pH and [Mg2+] dependent manner that is consistent with the native cleavage reaction. These results provide substantial evidence that deprotonated N1 of G12 functions directly as a general base in the hammerhead ribozyme; moreover, our experiments provide evidence that the pK(a) of G12 is perturbed downward in the context of the active site structure. We also observed other pH-independent alkylations, which do not appear to reflect the catalytic mechanism, but offer further insight into ribozyme conformation and structure.},
	keywords = {ACTIVE-SITE, CLEAVAGE, CRYSTAL-STRUCTURE, DELTA VIRUS RIBOZYME, HAIRPIN RIBOZYME, MECHANISM, METAL-ION, MONOVALENT CATIONS, NUCLEOBASE CATALYSIS, RNA},
	isbn = {0002-7863},
	url = {<Go to ISI>://000263311300051},
	author = {Thomas, J. M. and Perrin,David M.}
}
@article {2035,
	title = {Protein-protein interaction regulates proteins{\textquoteright} mechanical stability},
	journal = {Journal of Molecular Biology},
	volume = {378},
	number = {5},
	year = {2008},
	note = {ISI Document Delivery No.: 305IOTimes Cited: 10Cited Reference Count: 38Cao, Yi Yoo, Teri Zhuang, Shulin Li, Hongbin},
	month = {May},
	pages = {1132-1141},
	type = {Article},
	abstract = {Elastomeric proteins are molecular springs found not only in a variety of biological machines and tissues, but also in biomaterials of superb mechanical properties. Regulating the mechanical stability of elastomeric proteins is not only important for a range of biological processes, but also critical for the use of engineered elastomeric proteins as building blocks to construct nanomechanical devices and novel materials of well-defined mechanical properties. Here we demonstrate that protein-protein interactions can potentially serve as an effective means to regulate the mechanical properties of elastomeric proteins. We show that the binding of fragments of IgG antibody to a small protein, GB1, can significantly enhance the mechanical stability of GB1. The regulation of the mechanical stability of GB1 by IgG fragments is not through direct modification of the interactions in the mechanically key region of GB1; instead, it is accomplished via the long-range coupling between the IgG binding site and the mechanically key region of GB1. Although Fc and Fab bind GB1 at different regions of GB1, their binding to GB1 can increase the mechanical stability of GB1 significantly. Using alanine point mutants of GB1, we show that the amplitude of mechanical stability enhancement of GB1 by Fc does not correlate with the binding affinity, suggesting that binding affinity only affects the population of GB1/human Fc (hFc) complex at a given concentration of hFc, but does not affect the intrinsic mechanical stability of the GB1/hFc complex. Furthermore, our results indicate that the mechanical stability enhancement by IgG fragments is robust and can tolerate sequence/structural perturbation to GB1. Our results demonstrate that the protein-protein interaction is an efficient approach to regulate the mechanical stability of GB1-like proteins and we anticipate that this new methodology will help to develop novel elastomeric proteins with tunable mechanical stability and compliance. (C) 2008 Elsevier Ltd. All rights reserved.},
	keywords = {BINDING, BIOLOGICAL ROLES, CRYSTAL-STRUCTURE, DIHYDROFOLATE-REDUCTASE, DOMAIN, ENGINEERING PROTEINS, FORCE SPECTROSCOPY, FRAGMENT, HUMAN-IGG, MECHANICAL STABILITY, mechanical unfolding, MOLECULAR ELASTICITY, protein-protein interaction, single molecule atomic force microscopy, STABILIZATION},
	isbn = {0022-2836},
	url = {<Go to ISI>://000256171900015},
	author = {Cao, Y. and Yoo, T. and Zhuang, S. L. and Li, H. B.}
}
@article {2228,
	title = {Synthetic and mechanistic aspects of a new method for ruthenium-metalation of porphyrins and Schiff-bases},
	journal = {Inorganic Chemistry},
	volume = {47},
	number = {17},
	year = {2008},
	note = {ISI Document Delivery No.: 341JDTimes Cited: 3Cited Reference Count: 266Reboucas, Julio S. Cheu, Elizabeth L. S. Ware, Caroline J. James, Brian R. Skov, Kirsten A.},
	month = {Sep},
	pages = {7894-7907},
	type = {Review},
	abstract = {A new method is presented for metalation of a wide range of free-base, neutral, cationic, and anionic porphyrins in refluxing dimethylformamide (DMF) using an easily prepared [Ru(DMF)(6)](OTf)(3) complex, and comparisons are made with the more familiar metalation procedure using Ru-3(CO)(12). Both procedures generate Ru-II(porp)(CO)L complexes (L = solvent); use of the Ru-III-triflate precursor gives yields comparable to, or greater than, those obtained with the carbonyl, and generates no Ru-chlorin impurities. Mechanistic studies on the meso-tetraphenylporphyrin system reveal that the DMF furnishes the CO, which in the presence of essential water reduces the metal, and metalation likely occurs via a Ru-II-CO species. Corresponding metalation of tetradentate Schiff-bases gives trans-[Ru-III(Schiff-base)(DMF)(2)]OTf complexes in yields of similar to 50\%, a limitation being the accompanying hydrolysis of the Schiff-base through the presence of trace water.},
	keywords = {3-COMPONENT COUPLING REACTION, AQUEOUS-SOLUTION, CARBON-MONOXIDE, CATALYTIC-PROPERTIES, CRYSTAL-STRUCTURE, ELECTROCHEMICAL PROPERTIES, ORGANIC TRANSFORMATIONS, OXIDATION REACTION, REVERSIBLE BINDING, X-RAY-STRUCTURE},
	isbn = {0020-1669},
	url = {<Go to ISI>://000258709500057},
	author = {Reboucas, J. S. and Cheu, E. L. S. and Ware, C. J. and James, Brian R. and Skov, K. A.}
}
@article {2279,
	title = {Transient oxidation as a mechanistic strategy in enzymatic catalysis},
	journal = {Current Opinion in Chemical Biology},
	volume = {12},
	number = {5},
	year = {2008},
	note = {ISI Document Delivery No.: 375SZTimes Cited: 1Cited Reference Count: 41Tanner, Martin E.},
	month = {Oct},
	pages = {532-538},
	type = {Review},
	abstract = {Enzymes that employ a transient oxidation mechanism catalyze transformations that are overall redox neutral, but involve intermediates that have a higher oxidation state than the substrates or products. An oxidation/reduction sequence may be used directly to promote isomerization reactions or indirectly to permit the formation of stabilized intermediates such as carbanions. This review will focus on three recent examples of nicotinamide-dependent enzymes that have been found to employ transient oxidation during catalysis: ADP-L-glycero-D-manno-heptose 6-epimerase, GDP-mannose 3,5-epimerase, and the 6-phosphoglucosidases from family 4. These enzymes are remarkable in their ability to catalyze either nonstereospecific hydride transfers or multiple chemical steps within a single active site.},
	keywords = {ACTIVE-SITE, ALPHA-GLUCOSIDASE, BACILLUS-SUBTILIS, CRYSTAL-STRUCTURE, D-MANNO-HEPTOSE, D-MANNOHEPTOSE 6-EPIMERASE, DEHYDROQUINATE SYNTHASE, ESCHERICHIA-COLI, THERMOTOGA-MARITIMA, UDP-GALACTOSE 4-EPIMERASE},
	isbn = {1367-5931},
	url = {<Go to ISI>://000261134900010},
	author = {Tanner, M. E.}
}
@article {1500,
	title = {alpha-monodeuterated benzyl alcohols and phosphobetaines from reactions of aromatic aldehydes with a water/D2O-soluble phosphine},
	journal = {Inorganic Chemistry},
	volume = {45},
	number = {25},
	year = {2006},
	note = {ISI Document Delivery No.: 111UETimes Cited: 11Cited Reference Count: 49Moiseev, Dmitry V. James, Brian R. Hu, Thomas Q.},
	month = {Dec},
	pages = {10338-10346},
	type = {Article},
	abstract = {With the aim of learning more about the bleaching action of pulps by (hydroxymethyl) phosphines, we reacted several benzaldehydes, containing MeO, Me, OH, or halogen substituents, with tris(3-hydroxypropyl) phosphine, [HO(CH2)(3)](3)P, in aqueous solution at 90 degrees C under argon. Effective reduction of the aldehydes to the corresponding benzyl alcohols with concomitant oxidation of the phosphine to the phosphine oxide takes place, the reaction proceeding via an initially formed phosphonium species. When the reactions are carried out in D2O, the benzyl alcohol product from 3,4-dimethoxybenzaldehyde contains one deuterium atom at the benzyl-carbon atom, consistent with the last step of the mechanism involving a carbanion intermediate. With syringaldehyde (3,5-dimethoxy-4-hydroxy-benzaldehyde), the reduction product (syringyl alcohol) is more reactive toward the phosphine than is the starting aldehyde, and a zwitterionic, phosphobetaine product is formed. In D2O, the zwitterion benzyl protons and protons of the hydroxypropyl-CH2 adjacent to the P atom undergo H/D exchange via presumed phosphorus ylide intermediates. Under the same aqueous reaction conditions, tris(3-hydroxypropyl) phosphine, [HO(CH2)(3)](3)P (THPP), does not undergo redox reactions with aliphatic aldehydes but simply promotes a base-catalyzed self-condensation (aldol) reaction. THPP reduction of an aromatic ketone is sluggish, presumably because the carbonyl C-atom is less electrophilic than that present in an aromatic aldehyde.},
	keywords = {ALIPHATIC ALDEHYDES, BRIGHTNESS STABILIZING AGENTS, CONDENSATION REACTIONS, CRYSTAL-STRUCTURE, HYDROGENATION, LIGNIN MODEL COMPOUNDS, mechanical pulps, METHIDE, NUCLEOPHILIC-ADDITION, P-QUINONE, PHOSPHONIUM SALTS},
	isbn = {0020-1669},
	url = {<Go to ISI>://000242479700055},
	author = {Moiseev, D. V. and James, Brian R. and Hu, Thomas Q.}
}
@article {1500,
	title = {alpha-monodeuterated benzyl alcohols and phosphobetaines from reactions of aromatic aldehydes with a water / D2O-soluble phosphine},
	journal = {Inorganic Chemistry},
	volume = {45},
	number = {25},
	year = {2006},
	note = {ISI Document Delivery No.: 111UETimes Cited: 11Cited Reference Count: 49Moiseev, Dmitry V. James, Brian R. Hu, Thomas Q.},
	month = {Dec},
	pages = {10338-10346},
	type = {Article},
	abstract = {<p>With the aim of learning more about the bleaching action of pulps by (hydroxymethyl) phosphines, we reacted several benzaldehydes, containing MeO, Me, OH, or halogen substituents, with tris(3-hydroxypropyl) phosphine, [HO(CH2)(3)](3)P, in aqueous solution at 90 degrees C under argon. Effective reduction of the aldehydes to the corresponding benzyl alcohols with concomitant oxidation of the phosphine to the phosphine oxide takes place, the reaction proceeding via an initially formed phosphonium species. When the reactions are carried out in D2O, the benzyl alcohol product from 3,4-dimethoxybenzaldehyde contains one deuterium atom at the benzyl-carbon atom, consistent with the last step of the mechanism involving a carbanion intermediate. With syringaldehyde (3,5-dimethoxy-4-hydroxy-benzaldehyde), the reduction product (syringyl alcohol) is more reactive toward the phosphine than is the starting aldehyde, and a zwitterionic, phosphobetaine product is formed. In D2O, the zwitterion benzyl protons and protons of the hydroxypropyl-CH2 adjacent to the P atom undergo H/D exchange via presumed phosphorus ylide intermediates. Under the same aqueous reaction conditions, tris(3-hydroxypropyl) phosphine, [HO(CH2)(3)](3)P (THPP), does not undergo redox reactions with aliphatic aldehydes but simply promotes a base-catalyzed self-condensation (aldol) reaction. THPP reduction of an aromatic ketone is sluggish, presumably because the carbonyl C-atom is less electrophilic than that present in an aromatic aldehyde.</p>},
	keywords = {ALIPHATIC ALDEHYDES, BRIGHTNESS STABILIZING AGENTS, CONDENSATION REACTIONS, CRYSTAL-STRUCTURE, HYDROGENATION, LIGNIN MODEL COMPOUNDS, mechanical pulps, METHIDE, NUCLEOPHILIC-ADDITION, P-QUINONE, PHOSPHONIUM SALTS},
	isbn = {0020-1669},
	url = {<Go to ISI>://000242479700055},
	author = {Moiseev, D. V. and James, Brian R. and Hu, Thomas Q.}
}
@article {1473,
	title = {Beads-on-a-string, characterization of Ets-1 sumoylated within its flexible N-terminal sequence},
	journal = {Journal of Biological Chemistry},
	volume = {281},
	number = {7},
	year = {2006},
	note = {ISI Document Delivery No.: 011NNTimes Cited: 11Cited Reference Count: 62},
	month = {Feb},
	pages = {4164-4172},
	type = {Article},
	abstract = {Sumoylation regulates the activities of several members of the ETS transcription factor family. To provide a molecular framework for understanding this regulation, we have characterized the conjugation of Ets-1 with SUMO-1. Ets-1 is modified in vivo predominantly at a consensus sumoylation motif containing Lys-15. This lysine is located within the unstructured N-terminal segment of Ets-1 preceding its PNT domain. Using NMR spectroscopy, we demonstrate that the Ets-1 sumoylation motif associates with the substrate binding site on the SUMO-conjugating enzyme UBC9 (K-d similar to 400 mu M) and that the PNT domain is not involved in this interaction. Ets-1 with Lys-15 mutated to an arginine still binds UBC9 with an affinity similar to the wild type protein, but is no longer sumoylated. NMR chemical shift and relaxation measurements reveal that the covalent attachment of mature SUMO-1, via its flexible C-terminal Gly-97, to Lys-15 of Ets-1 does not perturb the structure or dynamic properties of either protein. Therefore sumoylated Ets-1 behaves as "beads-on-a-string" with the two proteins tethered by flexible polypeptide segments containing the isopeptide linkage. Accordingly, SUMO-1 may mediate interactions of Ets-1 with signaling or transcriptional regulatory macromolecules by acting as a structurally independent docking module, rather than through the induction of a conformational change in either protein upon their covalent linkage. We also hypothesize that the flexibility of the linking polypeptide sequence may be a general feature contributing to the recognition of SUMO-modified proteins by their downstream effectors.},
	keywords = {BACKBONE DYNAMICS, CRYSTAL-STRUCTURE, DNA-BINDING, MODIFICATION, NMR-SPECTROSCOPY, NUCLEAR-BODIES, POINTED DOMAIN, SUMO, TRANSCRIPTIONAL REPRESSION, TUMOR-SUPPRESSOR, UBIQUITIN-CONJUGATING ENZYME},
	isbn = {0021-9258},
	url = {<Go to ISI>://000235275300048},
	author = {Macauley, M. S. and Errington, W. J. and Scharpf, M. and Mackereth, C. D. and Blaszczak, A. G. and Graves, B. J. and McIntosh, L. P.}
}
@article {1592,
	title = {Conformational stability, molecular structure, and intramolecular hydrogen bonding of thenoyltrifluoroacetone},
	journal = {J. Theor. Comput. Chem.},
	volume = {5},
	number = {3},
	year = {2006},
	note = {ISI Document Delivery No.: 098FUTimes Cited: 3Cited Reference Count: 52Tayyari, Sayyed Faramarz Nekoei, Abdo-Reza Vakili, Mohammad Hassanpour, Masoud Wang, Yan Alexander},
	month = {Sep},
	pages = {647-664},
	type = {Article},
	abstract = {<p>Complete conformational analysis of all possible keto and enol forms of thenoyltrifluoroacetone (TTFA) was carried out using density functional theory with the B3LYP functional and the 6-31G**, 6-311G**, and 6-311++G** basis sets. In addition, the geometries and energies of the four most stable chelated conformers and their corresponding open structures were obtained at the MP2/6-31G** level of theory. The energy differences between the four stable chelated enol conformers, in the gas phase, calculated at the B3LYP levels are negligible. However, calculations at the MP2 level indicate that the B2 conformer (the hydroxyl group in the -CF3 side) is significantly more stable than others, in agreement with the X-ray diffraction results. The calculated intramolecular hydrogen bond (IHB) energy E-HB and the strength of the bond have been compared, and an imperfection in the prevalent method of evaluating E-HB has been perceived. The IHB of TTFA was compared with those in several beta-dicarbonyls.</p>},
	keywords = {ACETYLACETONE, beta-diketone, BETA-DIKETONES, conformational analysis, CRYSTAL-STRUCTURE, EQUILIBRIUM CONSTANTS, INFRARED-SPECTRA, intramolecular hydrogen bond, KETO-ENOL-TAUTOMERISM, nuclear magnetic resonance, PROTON CHEMICAL, SHIFTS, SYNERGISTIC EXTRACTION, thenoyltrifluoroacetone, VIBRATIONAL ASSIGNMENT},
	isbn = {0219-6336},
	url = {<Go to ISI>://000241507200011},
	author = {S. F. Tayyari* and A.-R. Nekoei and Vakili, M. and Hassanpour, M. and Wang, Y. A.}
}
@article {1499,
	title = {New oligophosphines and (hydroxymethyl)phosphonium chlorides},
	journal = {Inorganic Chemistry},
	volume = {45},
	number = {7},
	year = {2006},
	note = {ISI Document Delivery No.: 028HCTimes Cited: 6Cited Reference Count: 46},
	month = {Apr},
	pages = {2917-2924},
	type = {Article},
	abstract = {{The new oligophosphines [H2P(CH2)(2)](2)PH, [H2P(CH2)(2)P(H)CH2](2), and {[(H2P(CH2)(2)](2)PCH2}(2) have been made by hydrophosphination of diethyl vinylphosphonate (2) with H2P(CH2)(2)PH2 (1), using different ratios of 2/1, followed by LiAlH4 reduction of the phosphonate intermediates; the three phosphonate precursors were obtained as oils of varying purity (similar to 90-95\%) in low (similar to 20\%) to almost quantitative yield. The tri-, tetra-, and hexaphosphines were then treated with formaldehyde in the presence of hydrochloric acid to generate the corresponding water-soluble (hydroxymethyl)phosphonium chlorides {(HOCH2)(3)P[(CH2)(2)P(CH2OH)(2)](n)(CH2)(2)P(CH2PH)(3)}Cl-m (n = 1},
	keywords = {ALDEHYDES, BRIGHTNESS STABILIZING AGENTS, COMPLEXES, CRYSTAL-STRUCTURE, DERIVATIVES, FORMALDEHYDE, LIGANDS, phosphines, SALTS, WATER},
	isbn = {0020-1669},
	url = {<Go to ISI>://000236476700018},
	author = {Moiseev, D. and James, Brian R. and Patrick, B. O. and Hu, Thomas Q.}
}
@article {1499,
	title = {New oligophosphines and (hydroxymethyl)phosphonium chlorides},
	journal = {Inorganic Chemistry},
	volume = {45},
	number = {7},
	year = {2006},
	note = {ISI Document Delivery No.: 028HCTimes Cited: 6Cited Reference Count: 46},
	month = {Apr},
	pages = {2917-2924},
	type = {Article},
	abstract = {{The new oligophosphines [H2P(CH2)(2)](2)PH, [H2P(CH2)(2)P(H)CH2](2), and {[(H2P(CH2)(2)](2)PCH2}(2) have been made by hydrophosphination of diethyl vinylphosphonate (2) with H2P(CH2)(2)PH2 (1), using different ratios of 2/1, followed by LiAlH4 reduction of the phosphonate intermediates; the three phosphonate precursors were obtained as oils of varying purity (similar to 90-95\%) in low (similar to 20\%) to almost quantitative yield. The tri-, tetra-, and hexaphosphines were then treated with formaldehyde in the presence of hydrochloric acid to generate the corresponding water-soluble (hydroxymethyl)phosphonium chlorides {(HOCH2)(3)P[(CH2)(2)P(CH2OH)(2)](n)(CH2)(2)P(CH2PH)(3)}Cl-m (n = 1},
	keywords = {ALDEHYDES, BRIGHTNESS STABILIZING AGENTS, COMPLEXES, CRYSTAL-STRUCTURE, DERIVATIVES, FORMALDEHYDE, LIGANDS, phosphines, SALTS, WATER},
	isbn = {0020-1669},
	url = {<Go to ISI>://000236476700018},
	author = {Moiseev, D. and James, Brian R. and Patrick, B. O. and Hu, Thomas Q.}
}
@article {1605,
	title = {Ortho-selective C-Hactivation of substituted benzenes effected by a tungsten alkylidene complex without substituent coordination},
	journal = {Organometallics},
	volume = {25},
	number = {17},
	year = {2006},
	note = {ISI Document Delivery No.: 070PZTimes Cited: 13Cited Reference Count: 36Tsang, Jenkins Y. K. Buschhaus, Miriam S. A. Legzdins, Peter Patrick, Brian O.},
	month = {Aug},
	pages = {4215-4225},
	type = {Article},
	abstract = {{Gentle thermolysis of the bis(neopentyl) complex Cp*W(NO)(CH2CMe3)(2) (1) at 70 degrees C in various substituted benzenes results in the loss of neopentane and the generation of the transient alkylidene complex Cp*W(NO)(=CHCMe3) (A), which subsequently effects single C-H bond activations of the benzenes. These activations exhibit a pronounced selectivity for the C-H linkages ortho to the benzene substituents. Thus, thermal reactions of 1 with C6H5X lead to the preferential formation of the corresponding Cp*W( NO)(CH2CMe3)(o-C6H4X) complexes, the ortho-selectivity, i. e.},
	keywords = {CLEAVAGE, CRYSTAL-STRUCTURE, ELIMINATION, H BONDS, IRIDIUM, MECHANISM, METAL-COMPLEXES, {ARYL},
	isbn = {0276-7333},
	url = {<Go to ISI>://000239536800028},
	author = {Tsang, J. Y. K. and Buschhaus, M. S. A. and Legzdins,Peter and Patrick, B. O.}
}
@article {1612,
	title = {The structure of gelsolin bound to ATP},
	journal = {Journal of Molecular Biology},
	volume = {357},
	number = {3},
	year = {2006},
	note = {ISI Document Delivery No.: 030IYTimes Cited: 7Cited Reference Count: 28},
	month = {Mar},
	pages = {765-772},
	type = {Article},
	abstract = {Calcium activation of the actin-modifying properties of gelsolin is sensitive to ATP. Here, we show that soaking calcium-free gelsolin crystals in ATP-containing media results in ATP occupying a site that spans the two pseudosymmetrical halves of the protein. ATP binding involves numerous polar and hydrophobic contacts and is identical for the two copies of gelsolin related by non-crystallographic symmetry within the crystal. The gamma-phosphate of ATP participates in several charge-charge interactions consistent with the preference of gelsolin for ATP, as a binding partner, over ADP. In addition, disruption of the ATP-binding site through Ca2+ activation of gelsolin reveals why ATP binds more tightly to the inactive molecule, and suggests how the binding of ATP may modulate the sensitivity of gelsolin to calcium ions. Similarities between the ATP and PIP2 interactions with the C-terminal half of gelsolin are evident from their overlapping binding sites and in that both molecules bind more tightly in the absence of calcium ions. We propose a model for how PIP2 may bind to calcium-free gelsolin based on the ATP-binding site. (c) 2006 Elsevier Ltd. All rights reserved.},
	keywords = {5-BISPHOSPHATE, actin, ATP, BINDING-SITE, calcium, CRYSTAL-STRUCTURE, DOMAIN, gelsolin, HUMAN-PLASMA GELSOLIN, IDENTIFICATION, PHOSPHATIDYLINOSITOL 4, PIP2, PROTEIN, TERMINAL HALF},
	isbn = {0022-2836},
	url = {<Go to ISI>://000236629300007},
	author = {Urosev, D. and Ma, Q. and Tan, A. L. C. and Robinson, R. C. and Burtnick, L. D.}
}
@article {1572,
	title = {Synthesis, reactivity, and DFT studies of tantalum complexes incorporating diamido-N-heterocyclic carbene ligands. Facile endocyclic C-H bond activation},
	journal = {Journal of the American Chemical Society},
	volume = {128},
	number = {38},
	year = {2006},
	note = {ISI Document Delivery No.: 085OFTimes Cited: 25Cited Reference Count: 73Spencer, Liam P. Beddie, Chad Hall, Michael B. Fryzuk, Michael D.},
	month = {Sep},
	pages = {12531-12543},
	type = {Article},
	abstract = {The syntheses of tantalum derivatives with the potentially tridentate diamido-N-heterocyclic carbene (NHC) ligand are described. Aminolysis and alkane elimination reactions with the diamine-NHC ligands, (Ar)[NCN]H-2 (where (Ar)[NCN]H-2 = (ArNHCH2CH2)(2)(C3N2); Ar = Mes, p-Tol), provided complexes with a bidentate amide-amine donor configuration. Attempts to promote coordination of the remaining pendent amine donor were unsuccessful. Metathesis reactions with the dilithiated diamido-NHC ligand ((Ar)[NCN]-Li-2) and various ClxTa(NR{\textquoteright}(2))(5-x) precursors were successful and generated the desired octahedral (Ar)[NCN]TaClx(NR{\textquoteright}(2))(3-x) complexes. Attempts to prepare trialkyl tantalum complexes by this methodology resulted in the formation of an unusual metallaaziridine derivative. DFT calculations on model complexes show that the strained metallaaziridine ring forms because it allows the remaining substituents to adopt preferable bonding positions. The calculations predict that the lowest energy pathway involves a tantalum alkylidene intermediate, which undergoes C-H bond activation R to the amido to form the metallaaziridine moiety. This mechanism was confirmed by examining the distribution of deuterium atoms in an experiment between (Mes)[NCN]Li-2 and Cl2Ta(CD2Ph)(3). The single-crystal X-ray structures of (p-Tol)[NCNH]Ta(NMe2)(4) (3), (Mes)[NCNH]Ta=CHPh(CH2Ph)(2) (4), (p-Tol)[NCN]Ta(NMe2)(3) (7), (Mes)[NCCN]Ta((CH2Bu)-Bu-t)(2) (11), and (Mes)[NCCN]-TaCl((CH2Bu)-Bu-t) (14) are included.},
	keywords = {COORDINATION CHEMISTRY, CRYSTAL-STRUCTURE, EFFECTIVE CORE POTENTIALS, GAUSSIAN-TYPE BASIS, METAL-CARBON BONDS, METHODS, MOLECULAR-ORBITAL, ORGANIC-MOLECULES, SET MODEL CHEMISTRY, STABLE CARBENES, STRUCTURAL-CHARACTERIZATION},
	isbn = {0002-7863},
	url = {<Go to ISI>://000240612700055},
	author = {Spencer, L. P. and Beddie, C. and Hall, M. B. and Fryzuk,Michael D.}
}
@article {1112,
	title = {Chromatographic separation and identification of products from the reaction of dimethylarsinic acid with hydrogen sulfide},
	journal = {Chemical Research in Toxicology},
	volume = {18},
	number = {12},
	year = {2005},
	note = {ISI Document Delivery No.: 004XYTimes Cited: 24Cited Reference Count: 44},
	month = {Dec},
	pages = {1821-1829},
	type = {Article},
	abstract = {The reaction of dimethylarsinic acid (DMA(V)) with hydrogen sulfide (H2S) is of biological significance and may be implicated in the overall toxicity and carcinogenicity of arsenic. The course of the reaction in aqueous phase was monitored, and an initial product, dimethylthioarsinic acid, was observed by using LC-ICP-MS and LC-ESI-MS. Dimethylarsinous acid was observed as a minor product. A second slower-forming product was identified, and the electrospray mass chromatograms for this species produced ions at m/z 275, 171, and 137 in positive mode. To aid in the identification of this slower-forming product, crystalline standards of sodium dimethyldithioarsinate and dimethylarsino dimethyldithioarsinate were prepared and re-characterized by using improved spectroscopic and structural analysis techniques. An aqueous solution of sodium dimethyldithioarsinate produced a single major chromatographic peak that matched the retention time (7.6 min) of the slower-forming product and contained similar molecular ions at m/z 275, 171, and 137 via LC-ESI-MS. The dimethylarsino dimethyldithioarsinate standard produced four aqueous phase species one of which coeluted with the slower forming product. This coeluting peak also produced the identical ESI-MS ions as the slower-forming product of DMA(V) + H2S. ESI-MS/MS experiments conducted on sodium dimethyldithioarsinate in deuterated water produced molecular ions at m/z 276, 173, and 137. Subsequent collisionally activated dissociation (CAD) experiments on m/z 276 did not produce a product ion at m/z 173. These data indicate that two different species are present in solution, while NMR data indicate that only dimethyldithioarsinic acid exists in aqueous solutions. This discrepancy was investigated by conducting NMR studies on the acidic solution of sodium dimethyldithioarsinate after taking this solution to dryness. The resolubilized solution produced a proton NMR signal characteristic of dimethylarsino dimethyldithioarsinate. Therefore, it was concluded that the ESI-MS ion at m/z 275 associated with the slowly forming second reaction product and the sodium dimethyldithioarsinate compound is a product of the ESI desolvation process.},
	keywords = {CRYSTAL-STRUCTURE, DIMETHYLDITHIOARSINATE, GLUTATHIONE, METABOLITE, ORGANIC ARSENIC COMPOUNDS, RATS, REARRANGEMENT, TOXICITY, TRIMETHYLARSINE OXIDE, urine},
	isbn = {0893-228X},
	url = {<Go to ISI>://000234787200005},
	author = {Fricke, M. W. and Zeller, M. and Sun, H. and Lai, V. W. M. and Cullen, W. R. and Shoemaker, J. A. and Witkowski, M. R. and Creed, J. T.}
}
@article {1241,
	title = {Coordination chemistry and insulin-enhancing behavior of vanadium complexes with maltol C6H6O3 structural isomers},
	journal = {Inorganic Chemistry},
	volume = {44},
	number = {8},
	year = {2005},
	note = {ISI Document Delivery No.: 916GWTimes Cited: 19Cited Reference Count: 49},
	month = {Apr},
	pages = {2689-2697},
	type = {Article},
	abstract = {Syntheses of vanadium complexes using the naturally occurring ligands isomaltol (Hima) and allomaltol (Hama), as well as a newly synthesized, potentially tetradentate diaminodipyrone [H-2(en(ama)(2)], are reported. Complete characterization of the resulting compounds [trans-VO(ima)(2)(H2O), VO(ama)(2), V(ima)(3), V(ama)(3) and VO(en(ama)(2))], including X-ray crystallography analyses for trans-VO(ima)(2)(H2O) and V(ima)3, are presented herein. Potentiometric titrations (25 degrees C, / = 0.16 M NaCl) were used to measure stability constants in the V(IV)-Hima system; these data were compared to previous data collected on the V(IV)-L (L = Hma, Hama) systems. The in vivo efficacy of these compounds to lower the blood glucose levels of STZ-diabetic rats was tested; all but VO(en(ama)2) produced significant decreases in plasma glucose levels. The results were compared to those of the benchmark compound BMOV [VO(ma)(2), bis(maltolato)oxovanadium(IV)], a known insulin-enhancing agent.},
	keywords = {aluminum, BIS(MALTOLATO)OXOVANADIUM(IV), CRYSTAL-STRUCTURE, DIABETIC-RATS, ISOMALTOL, LIGANDS, REFINEMENT, SPECIATION, therapy, VANADATE},
	isbn = {0020-1669},
	url = {<Go to ISI>://000228374400019},
	author = {Saatchi, K. and Thompson, K. H. and Patrick, B. O. and Pink, M. and Yuen, V. G. and McNeill, J. H. and Orvig, Chris}
}
@article {1208,
	title = {Group 13 and lanthanide complexes with mixed O,S anionic ligands derived from maltol},
	journal = {Inorganic Chemistry},
	volume = {44},
	number = {8},
	year = {2005},
	note = {ISI Document Delivery No.: 916GWTimes Cited: 23Cited Reference Count: 61},
	month = {Apr},
	pages = {2666-2677},
	type = {Article},
	abstract = {Four mixed O,S binding ligand precursors derived from maltol (3-hydroxy-2-methyl-4-pyrone) have been chelated to gallium(III), indium(III), and lanthanide(III) ions to yield a series of metal complexes. The four ligand precursors include two pyranthiones, 3-hydroxy-2-methyl-4-pyranthione, commonly known as thiomaltol (Htma), and 2-ethyl-3-hydroxy-4-pyranthione, commonly known as ethylthiornaltol (Hetma), and two pyridinethiones, 3-hydroxy-2-methyl-4(H)-pyridinethione (Hmppt) and 3-hydroxy-1,2-dimethyl-4-pyridinethione (Hdppt). Dimeric forms of the pyridinethiones, Hmppt dimer and Hdppt dimer, were also isolated and characterized. Complete characterization of the monomeric organic compounds is reported including acidity constants and crystal structures of Htma, Hetma, and Hdppt dimer. Reacting the four monomeric ligand precursors with Ga3+ and In3+ ions yielded new tris(bidentate ligand) complexes. X-ray-quality crystals of the fac isomer of Ga(tma)(3) were also obtained. New complexes with a range of anthanicles (Ln(3+)) were also synthesized with the two pyranthiones, Htma and Hetma. The synthesis reactions yielded complexes of the type LnL(3)center dot xH(2)O and LnL(2)(OH)center dot xH(2)O, as indicated by elemental analysis and spectroscopic evidence such as mass spectral data and IR and NMR spectra.},
	keywords = {ACID, aluminum, CHELATE COMPLEXES, CHEMISTRY, CRYSTAL-STRUCTURE, DIAGNOSTIC-TOOLS, gallium, indium, METAL-COMPLEXES, RADIOPHARMACEUTICALS},
	isbn = {0020-1669},
	url = {<Go to ISI>://000228374400017},
	author = {Monga, V. and Patrick, B. O. and Orvig, Chris}
}
@article {1208,
	title = {Group 13 and lanthanide complexes with mixed O,S anionic ligands derived from maltol},
	journal = {Inorganic Chemistry},
	volume = {44},
	number = {8},
	year = {2005},
	note = {ISI Document Delivery No.: 916GWTimes Cited: 23Cited Reference Count: 61},
	month = {Apr},
	pages = {2666-2677},
	type = {Article},
	abstract = {Four mixed O,S binding ligand precursors derived from maltol (3-hydroxy-2-methyl-4-pyrone) have been chelated to gallium(III), indium(III), and lanthanide(III) ions to yield a series of metal complexes. The four ligand precursors include two pyranthiones, 3-hydroxy-2-methyl-4-pyranthione, commonly known as thiomaltol (Htma), and 2-ethyl-3-hydroxy-4-pyranthione, commonly known as ethylthiornaltol (Hetma), and two pyridinethiones, 3-hydroxy-2-methyl-4(H)-pyridinethione (Hmppt) and 3-hydroxy-1,2-dimethyl-4-pyridinethione (Hdppt). Dimeric forms of the pyridinethiones, Hmppt dimer and Hdppt dimer, were also isolated and characterized. Complete characterization of the monomeric organic compounds is reported including acidity constants and crystal structures of Htma, Hetma, and Hdppt dimer. Reacting the four monomeric ligand precursors with Ga3+ and In3+ ions yielded new tris(bidentate ligand) complexes. X-ray-quality crystals of the fac isomer of Ga(tma)(3) were also obtained. New complexes with a range of anthanicles (Ln(3+)) were also synthesized with the two pyranthiones, Htma and Hetma. The synthesis reactions yielded complexes of the type LnL(3)center dot xH(2)O and LnL(2)(OH)center dot xH(2)O, as indicated by elemental analysis and spectroscopic evidence such as mass spectral data and IR and NMR spectra.},
	keywords = {ACID, aluminum, CHELATE COMPLEXES, CHEMISTRY, CRYSTAL-STRUCTURE, DIAGNOSTIC-TOOLS, gallium, indium, METAL-COMPLEXES, RADIOPHARMACEUTICALS},
	isbn = {0020-1669},
	url = {<Go to ISI>://000228374400017},
	author = {Monga, V. and Patrick, B. O. and Orvig, Chris}
}
@article {1059,
	title = {Homoleptic, sigma-bonded octahedral [M(CO)(6)](2+) cations of iron(II), ruthenium(II), and osmium(II): Part 1: Syntheses, thermochemical and vibrational characterizations, and molecular structures as [Sb2F11](-) and [SbF6](-) salts. A comprehensive, compa},
	journal = {Inorganic Chemistry},
	volume = {44},
	number = {12},
	year = {2005},
	note = {ISI Document Delivery No.: 934LPTimes Cited: 5Cited Reference Count: 100},
	month = {Jun},
	pages = {4189-4205},
	type = {Article},
	abstract = {Homoleptic octahedral, superelectrophilic sigma-bonded metal carbonyl cations of the type [M(CO)(6)](2+) (M = Ru, Os) are generated in the Bronsted-Lewis conjugate superacid HF/SbF5 by reductive carbonylation Of M(SO3F)(3) (M = Ru, Os) or OsF6. Thermally stable salts form with either [Sb2F11](-) or [SbF6](-) as anion, just as for the previously reported [Fe(CO)(6)](2+) cation. The latter salts are generated by oxidative (XeF2) carbonylation of Fe(CO)(5) in HF/ SbF5. A rationale for the two diverging synthetic approaches is provided. The thermal stabilities Of [M(CO)(6)][SbF6](2) salts, studied by DSC, range from 180 degrees C for M = Fe to 350 degrees C for M = Os before decarbonylation occurs. The two triads [M(CO)(6)][SbF6](2) and [M(CO)(6)][Sb2F11](2) (M = Fe, Ru, Os) are extensively characterized by single-crystal X-ray diffraction and vibrational and C-13 NMR spectroscopy, aided by computational studies of the cations. The three [M(CO)(6)][SbF6](2) salts (M = Fe, Ru, Os) crystallize in the tetragonal space group P4/mnc (No. 128), whereas the corresponding [Sb2F11](-) salts are monoclinic, crystallizing in space group P2(1)/n (No. 14). In both triads, the unit cell parameters are nearly invariant of the metal. Bond parameters for the anions [SbF6](-) and [Sb2F11](-) and their vibrational properties in the two triads are completely identical. In all six salts, the structural and vibrational properties of the [M(CO)(6)](2+) cations (M = Fe, Ru, Os) are independent of the counteranion and for the most part independent of M and nearly identical. Interionic C center dot center dot center dot F contacts are similarly weak in all six salts. Metal dependency is noted only in the C-13 NMR spectra, in the skeletal M-C vibrations, and to a much smaller extent in some of the C-O stretching fundamentals (A(1g) and T-1u). The findings reported here are unprecedented among metal carbonyl cations and their salts.},
	keywords = {ANTIMONY PENTAFLUORIDE, CRYSTAL-STRUCTURE, ELECTRON-DIFFRACTION, HEXAKIS(CARBONYL)IRON(II), INFRARED SPECTRA, MAS-NMR-SPECTRA, METAL-CARBONYL CATIONS, PHASE, SOLVENT SYSTEM, SUPERACID MEDIA, UNDECAFLUORODIANTIMONATE(V), WEAKLY COORDINATING ANIONS},
	isbn = {0020-1669},
	url = {<Go to ISI>://000229710600021},
	author = {Bernhardt, E. and Bach, C. and Bley, B. and Wartchow, R. and Westphal, U. and Sham, I. H. T. and von Ahsen, B. and Wang, C. Q. and Willner, H. and Thompson, R. C. and Aubke, F.}
}
@article {1059,
	title = {Homoleptic, sigma-bonded octahedral [M(CO)(6)](2+) cations of iron(II), ruthenium(II), and osmium(II): Part 1: Syntheses, thermochemical and vibrational characterizations, and molecular structures as [Sb2F11](-) and [SbF6](-) salts. A comprehensive, compa},
	journal = {Inorganic Chemistry},
	volume = {44},
	number = {12},
	year = {2005},
	note = {ISI Document Delivery No.: 934LPTimes Cited: 5Cited Reference Count: 100},
	month = {Jun},
	pages = {4189-4205},
	type = {Article},
	abstract = {Homoleptic octahedral, superelectrophilic sigma-bonded metal carbonyl cations of the type [M(CO)(6)](2+) (M = Ru, Os) are generated in the Bronsted-Lewis conjugate superacid HF/SbF5 by reductive carbonylation Of M(SO3F)(3) (M = Ru, Os) or OsF6. Thermally stable salts form with either [Sb2F11](-) or [SbF6](-) as anion, just as for the previously reported [Fe(CO)(6)](2+) cation. The latter salts are generated by oxidative (XeF2) carbonylation of Fe(CO)(5) in HF/ SbF5. A rationale for the two diverging synthetic approaches is provided. The thermal stabilities Of [M(CO)(6)][SbF6](2) salts, studied by DSC, range from 180 degrees C for M = Fe to 350 degrees C for M = Os before decarbonylation occurs. The two triads [M(CO)(6)][SbF6](2) and [M(CO)(6)][Sb2F11](2) (M = Fe, Ru, Os) are extensively characterized by single-crystal X-ray diffraction and vibrational and C-13 NMR spectroscopy, aided by computational studies of the cations. The three [M(CO)(6)][SbF6](2) salts (M = Fe, Ru, Os) crystallize in the tetragonal space group P4/mnc (No. 128), whereas the corresponding [Sb2F11](-) salts are monoclinic, crystallizing in space group P2(1)/n (No. 14). In both triads, the unit cell parameters are nearly invariant of the metal. Bond parameters for the anions [SbF6](-) and [Sb2F11](-) and their vibrational properties in the two triads are completely identical. In all six salts, the structural and vibrational properties of the [M(CO)(6)](2+) cations (M = Fe, Ru, Os) are independent of the counteranion and for the most part independent of M and nearly identical. Interionic C center dot center dot center dot F contacts are similarly weak in all six salts. Metal dependency is noted only in the C-13 NMR spectra, in the skeletal M-C vibrations, and to a much smaller extent in some of the C-O stretching fundamentals (A(1g) and T-1u). The findings reported here are unprecedented among metal carbonyl cations and their salts.},
	keywords = {ANTIMONY PENTAFLUORIDE, CRYSTAL-STRUCTURE, ELECTRON-DIFFRACTION, HEXAKIS(CARBONYL)IRON(II), INFRARED SPECTRA, MAS-NMR-SPECTRA, METAL-CARBONYL CATIONS, PHASE, SOLVENT SYSTEM, SUPERACID MEDIA, UNDECAFLUORODIANTIMONATE(V), WEAKLY COORDINATING ANIONS},
	isbn = {0020-1669},
	url = {<Go to ISI>://000229710600021},
	author = {Bernhardt, E. and Bach, C. and Bley, B. and Wartchow, R. and Westphal, U. and Sham, I. H. T. and von Ahsen, B. and Wang, C. Q. and Willner, H. and Thompson, R. C. and Aubke, F.}
}
@article {1250,
	title = {Phosphine-induced ancillary ligand orthometalation at a tantalum-tantalum double bond},
	journal = {Organometallics},
	volume = {24},
	number = {11},
	year = {2005},
	note = {ISI Document Delivery No.: 927XMTimes Cited: 0Cited Reference Count: 32},
	month = {May},
	pages = {2606-2611},
	type = {Article},
	abstract = {The dinuclear tantalum tetrahydride complexes ((RPh)[NPN]Ta)(2)(mu-H)(4) ([NPN] = (PhNSiMe2CH2)(2)PR; R = Ph, Cy) promote the asymmetric activation of molecular nitrogen to form ((RPh)[NPN]Ta)(2)(mu-eta(1):eta(2)-N-2)(mu-H)(2). The coordinatively unsaturated dinuclear dihydride, ((RPh)[NPN]Ta)(2)(mu-H)(2), has been proposed as the reactive intermediate, with a tantalum-tantalum double bond storing four electrons with which to reduce N-2. Efforts to trap ((CyPh)[NPN]Ta)(2)(mu-H)(2) with excess PMe3 at low temperatures promoted the formation of a green product, proposed to be (CyPh [NPN]Ta(PMe3))(2)(mu-H)(2). Attempts to isolate this product promoted the orthometalation of an ancillary ligand N-Ph ring, forming (CyPh)[NPN]Ta(mu-H)(2)[mu-N(C6H4)]Ta[PN](H)(PMe3). Addition of 1 equiv of PMe3 to ((PhPh)[NPN] Ta)(2)(mu-H)(4) immediately produced the analogous orthometalation derivative, [NPN]Ta(mu-H)(2)[mu-N(C6H4)]Ta[PN](H)(PMe3).},
	keywords = {BRIDGING N-2 UNIT, C-H ACTIVATION, CLEAVAGE, CRYSTAL-STRUCTURE, DINITROGEN LIGAND, DINUCLEAR, EARLY TRANSITION-METALS, END-ON, ORGANODIMETALLIC COMPLEXES, SIDE-ON},
	isbn = {0276-7333},
	url = {<Go to ISI>://000229233800011},
	author = {Shaver, M. P. and Fryzuk,Michael D.}
}
@article {1075,
	title = {Photochemistry of 9-methylbicyclo[3.3.1]nonyl aryl ketones - A novel 1,5-disproportionation of 1,4-hydroxy biradicals and asymmetric induction using the solid-state ionic chiral auxiliary method},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {83},
	number = {9},
	year = {2005},
	note = {ISI Document Delivery No.: 001VETimes Cited: 4Cited Reference Count: 29},
	month = {Sep},
	pages = {1460-1472},
	type = {Article},
	abstract = {A novel 1.5-disproportionation reaction has been discovered for 1,4-hydroxy biradicals derived from the photolysis of 9-methylbicyclo[3.3.1]nonyl phenyl ketones (1), which undergo mainly Yang cyclization both in Solution and the solid state. By applying the solid-state ionic chiral auxiliary method of asymmetric synthesis to the Yang cyclization, enantiomeric excesses as high as 95\% were achieved at high reaction conversions. The origin of the reaction selectivity is discussed with the help of X-ray crystallography. In addition, the solid-state photoreaction of ketone 1b was found to occur in a single crystal-to-single crystal fashion.},
	keywords = {1, 4-hydroxy biradical, asymmetric, BEHAVIOR, CRYSTAL-STRUCTURE, disproportionation, HYDROGEN-BOND, INDUCTION, ionic chiral auxiliary, PHOTOCHEMISTRY, PHOTOCYCLIZATION, reaction, REACTIVITY CORRELATIONS, SALTS, single crystal-to-single crystal},
	isbn = {0008-4042},
	url = {<Go to ISI>://000234570000030},
	author = {Chen, S. and Patrick, B. O. and Scheffer, J. R.}
}
@article {1143,
	title = {Platinum(II) and palladium(II) complexes of bisphosphine ligands bearing o-N,N-dimethylanilinyl substituents: A hint of catalytic olefin hydration},
	journal = {Inorganic Chemistry},
	volume = {44},
	number = {9},
	year = {2005},
	note = {ISI Document Delivery No.: 922CLTimes Cited: 9Cited Reference Count: 55},
	month = {May},
	pages = {3290-3298},
	type = {Article},
	abstract = {Platinum(II) and palladium(II) complexes of the potentially hexadentate P,N-donor ligand family Ar2P-X-PAr2 (X = (CH2)(2) [dmape], cyclic-C5H8 [dmapcp]; Ar = o-NN-dimethylanilinyl) are described. In CH2Cl2, the dmape complexes exist as equilibrium mixtures of MCl2(P,P{\textquoteright}-dmape) and [MCl(P, P, N-dmape)]Cl isomers (M = Pd, Pt), governed by Delta H degrees = -19 +/- 4 U mol(-1) and Delta S degrees = -100 +/- 30 J mol(-1) K-1 for M = Pt, and Delta H degrees = -11 +/- 7 U mol-1 and Delta S degrees = -60 +/- 20 J mol-1 K-1 for M = Pd. The water-soluble dmapcp complexes exist solely in the [MCl(P,P{\textquoteright},N-dmapcp)]Cl form, but the free and coordinated anilinyl rings in these complexes are in slow diastereoselective exchange, X-ray crystal structures for MCl2(P,P{\textquoteright}-dmape) (M = Pd, Pt), and the [PdCl(P,P{\textquoteright},N-dmape)](+) and [PtCl-P,P{\textquoteright},N-dmapcp)](+) cations, are presented. Some of the complexes show marginal activity in water for the catalyzed hydration of maleic to malic acid, giving about 6-7\% conversion in 24 h at 100 degrees C and substrate: catalyst loadings of 100:1. Attempts to synthesize a PdCl(P,P{\textquoteright},N-dmapm)(+) species led instead to isolation of [Pd(mu-Cl)(P,P-dmapm)](2)-[PF6](2) (dmapm = Ar2PCH2Ar2).},
	keywords = {2-PYRIDYLPHOSPHINE LIGANDS, COORDINATION CHEMISTRY, CRYSTAL-STRUCTURE, DERIVATIVES, DONOR GROUPS, HYDROGENATION, RHODIUM COMPLEXES, RUTHENIUM(II), TERTIARY PHOSPHINES, WATER-SOLUBLE PHOSPHINES},
	isbn = {0020-1669},
	url = {<Go to ISI>://000228813400045},
	author = {Jones, N. D. and Meessen, P. and Losehand, U. and Patrick, B. O. and James, Brian R.}
}
@article {1245,
	title = {The quadrupole moment of the 3/2(+) nuclear ground state of Au-197 from electric field gradient relativistic coupled cluster and density-functional theory of small molecules and the solid state},
	journal = {Journal of Chemical Physics},
	volume = {122},
	number = {12},
	year = {2005},
	note = {ISI Document Delivery No.: 915HDTimes Cited: 16Cited Reference Count: 109},
	month = {Mar},
	pages = {9},
	type = {Review},
	abstract = {An attempt is made to improve the currently accepted muonic value for the Au-197 nuclear quadrupole moment [+0.547(16)x10(-28) m(2)] for the 3/2(+) nuclear ground state obtained by Powers [Nucl. Phys. A230, 413 (1974)]. From both measured Mossbauer electric quadrupole splittings and solid-state density-functional calculations for a large number of gold compounds a nuclear quadrupole moment of +0.60x10(-28) m(2) is obtained. Recent Fourier transform microwave measurements for gas-phase AuF, AuCl, AuBr, and AuI give accurate bond distances and nuclear quadrupole coupling constants for the Au-197 isotope. However, four-component relativistic density-functional calculations for these molecules yield unreliable results for the Au-197 nuclear quadrupole moment. Relativistic singles-doubles coupled cluster calculations including perturbative triples [CCSD(T) level of theory] for these diatomic systems are also inaccurate because of large cancellation effects between different field gradient contributions subsequently leading to very small field gradients. Here one needs very large basis sets and has to go beyond the standard CCSD(T) procedure to obtain any reliable field gradients for gold. From recent microwave experiments by Gerry and co-workers [Inorg. Chem. 40, 6123 (2001)] a significantly enhanced Au-197 nuclear quadrupole coupling constant in (CO)AuF compared to free AuF is observed. Here, these cancellation effects are less important, and relativistic CCSD(T) calculations finally give a nuclear quadrupole moment of +0.64x10(-28) m(2) for Au-197. It is argued that it is currently very difficult to improve on the already published muonic value for the Au-197 nuclear quadrupole moment.},
	keywords = {AB-INITIO, AUGMENTED-WAVE METHOD, CRYSTAL-STRUCTURE, DIRAC-FOCK, DOUGLAS-KROLL, GAUSSIAN-BASIS SETS, MICROWAVE-SPECTRA, MOSSBAUER-SPECTROSCOPY, POINT-CHARGE MODEL, PURE ROTATIONAL SPECTRA},
	isbn = {0021-9606},
	url = {<Go to ISI>://000228287900026},
	author = {Schwerdtfeger, P. and Bast, R. and Gerry, M. C. L. and Jacob, C. R. and Jansen, M. and Kello, V. and Mudring, A. V. and Sadlej, A. J. and Saue, T. and Sohnel, T. and Wagner, F. E.}
}
@article {1135,
	title = {Spectroscopic studies of the anaerobic enzyme - Substrate complex of catechol 1,2-dioxygenase},
	journal = {Journal of the American Chemical Society},
	volume = {127},
	number = {48},
	year = {2005},
	note = {ISI Document Delivery No.: 990QVTimes Cited: 17Cited Reference Count: 86},
	month = {Dec},
	pages = {16882-16891},
	type = {Article},
	abstract = {The basis of the respective regiospecificities of intradiol and extradiol dioxygenase is poorly understood and may be linked to the protonation state of the bidentate-bound catechol in the enzyme/ substrate complex. Previous ultraviolet resonance Raman (UVRR) and UV-visible (UV-vis) difference spectroscopic studies demonstrated that, in extradiol dioxygenases, the catechol is bound to the Fe(II) as a monoanion. In this study, we use the same approaches to demonstrate that, in catechol 1,2-dioxygenase (C120), an intradiol enzyme, the catechol binds to the Fe(III) as a dianion. Specifically, features at 290 nm and 1550 cm(-1) in the UV-vis and UVRR difference spectra, respectively, are assigned to dianionic catechol based on spectra of the model compound, ferric tris(catecholate). The UVRR spectroscopic band assignments are corroborated by density functional theory (DFT) calculations. In addition, negative features at 240 nm in UV-vis difference spectra and at 1600, 1210, and 1175 cm(-1) in UVRR difference spectra match those of a tyrosinate model compound, consistent with protonation of the axial tyrosinate ligand when it is displaced from the ferric ion coordination sphere upon substrate binding. The DFT calculations ascribe the asymmetry of the bound dianionic substrate to the trans donor effect of an equatorially ligated tyrosinate ligand. In addition, the computations suggest that trans donation from the tyrosinate ligand may facilitate charge transfer from the substrate to yield the iron-bound semiquinone transition state, which is capable of reacting with dioxygen. In illustrating the importance of ligand trans effects in a biological system, the current study demonstrates the power of combining difference UVRR and optical spectroscopies to probe metal ligation in solution.},
	keywords = {1, 2, 2-DIOXYGENASE, 3-DIHYDROXYBIPHENYL, 4-DIOXYGENASE, ACTIVE-SITE, CRYSTAL-STRUCTURE, DENSITY-FUNCTIONAL THEORY, EXTRADIOL DIOXYGENASES, IRON-TRANSPORT COMPOUNDS, ISOTOPIC-SUBSTITUTION SHIFTS, PROTOCATECHUATE 3, PSEUDOMONAS-ARVILLA C-1, RESONANCE RAMAN-SPECTROSCOPY},
	isbn = {0002-7863},
	url = {<Go to ISI>://000233759200038},
	author = {Horsman, G. P. and Jirasek, A. and Vaillancourt, F. H. and Barbosa, C. J. and Jarzecki, A. A. and Xu, C. L. and Mekmouche, Y. and Spiro, T. G. and Lipscomb, J. D. and Blades, M. W. and Turner, R. F. B. and Eltis, L. D.}
}
@article {1135,
	title = {Spectroscopic studies of the anaerobic enzyme - Substrate complex of catechol 1,2-dioxygenase},
	journal = {Journal of the American Chemical Society},
	volume = {127},
	number = {48},
	year = {2005},
	note = {ISI Document Delivery No.: 990QVTimes Cited: 17Cited Reference Count: 86},
	month = {Dec},
	pages = {16882-16891},
	type = {Article},
	abstract = {The basis of the respective regiospecificities of intradiol and extradiol dioxygenase is poorly understood and may be linked to the protonation state of the bidentate-bound catechol in the enzyme/ substrate complex. Previous ultraviolet resonance Raman (UVRR) and UV-visible (UV-vis) difference spectroscopic studies demonstrated that, in extradiol dioxygenases, the catechol is bound to the Fe(II) as a monoanion. In this study, we use the same approaches to demonstrate that, in catechol 1,2-dioxygenase (C120), an intradiol enzyme, the catechol binds to the Fe(III) as a dianion. Specifically, features at 290 nm and 1550 cm(-1) in the UV-vis and UVRR difference spectra, respectively, are assigned to dianionic catechol based on spectra of the model compound, ferric tris(catecholate). The UVRR spectroscopic band assignments are corroborated by density functional theory (DFT) calculations. In addition, negative features at 240 nm in UV-vis difference spectra and at 1600, 1210, and 1175 cm(-1) in UVRR difference spectra match those of a tyrosinate model compound, consistent with protonation of the axial tyrosinate ligand when it is displaced from the ferric ion coordination sphere upon substrate binding. The DFT calculations ascribe the asymmetry of the bound dianionic substrate to the trans donor effect of an equatorially ligated tyrosinate ligand. In addition, the computations suggest that trans donation from the tyrosinate ligand may facilitate charge transfer from the substrate to yield the iron-bound semiquinone transition state, which is capable of reacting with dioxygen. In illustrating the importance of ligand trans effects in a biological system, the current study demonstrates the power of combining difference UVRR and optical spectroscopies to probe metal ligation in solution.},
	keywords = {1, 2, 2-DIOXYGENASE, 3-DIHYDROXYBIPHENYL, 4-DIOXYGENASE, ACTIVE-SITE, CRYSTAL-STRUCTURE, DENSITY-FUNCTIONAL THEORY, EXTRADIOL DIOXYGENASES, IRON-TRANSPORT COMPOUNDS, ISOTOPIC-SUBSTITUTION SHIFTS, PROTOCATECHUATE 3, PSEUDOMONAS-ARVILLA C-1, RESONANCE RAMAN-SPECTROSCOPY},
	isbn = {0002-7863},
	url = {<Go to ISI>://000233759200038},
	author = {Horsman, G. P. and Jirasek, A. and Vaillancourt, F. H. and Barbosa, C. J. and Jarzecki, A. A. and Xu, C. L. and Mekmouche, Y. and Spiro, T. G. and Lipscomb, J. D. and Blades, M. W. and Turner, R. F. B. and Eltis, L. D.}
}
@article {1053,
	title = {The state of the filament},
	journal = {Embo Reports},
	volume = {6},
	number = {3},
	year = {2005},
	note = {ISI Document Delivery No.: 901QMTimes Cited: 22Cited Reference Count: 30},
	month = {Mar},
	pages = {220-226},
	type = {Review},
	abstract = {Movement is a defining characteristic of life. Macroscopic motion is driven by the dynamic interactions of myosin with actin filaments in muscle. Directed polymerization of actin behind the advancing membrane of a eukaryotic cell generates microscopic movement. Despite the fundamental importance of actin in these processes, the structure of the actin filament remains unknown. The Holmes model of the actin filament was published 15 years ago, and although it has been widely accepted, no high-resolution structural data have yet confirmed its veracity. Here, we review the implications of recently determined structures of F-actin-binding proteins for the structure of the actin filament and suggest a series of in silico tests for actin-filament models. We also review the significance of these structures for the arp2/3-mediated branched filament.},
	keywords = {actin filament, ACTIN-FILAMENT, ACTIVATION, ALDRICH-SYNDROME PROTEIN, arp2/3, ARP2/3 COMPLEX, BETA-ACTIN, CRYSTAL-STRUCTURE, DOMAIN, gelsolin, STRUCTURAL BASIS, STRUCTURE, WASp, WH2},
	isbn = {1469-221X},
	url = {<Go to ISI>://000227297000009},
	author = {Aguda, A. H. and Burtnick, L. D. and Robinson, R. C.}
}
@article {1116,
	title = {Synthesis, structure, and computational studies of soluble conjugated multidentate macrocycles},
	journal = {J. Org. Chem.},
	volume = {70},
	number = {20},
	year = {2005},
	note = {ISI Document Delivery No.: 968MOTimes Cited: 47Cited Reference Count: 67},
	month = {Sep},
	pages = {7936-7946},
	type = {Article},
	abstract = {<p>Conjugated, shape-persistent macrocycles based on [3 + 3] Schiff-base condensation are of interest for supramolecular materials. In an effort to develop new discotic liquid crystals based on these compounds, a series of macrocycles with peripheral alkoxy groups of varying length have been prepared. The synthesis and mechanism of formation have been probed by isolation of oligomeric intermediates. A single-crystal X-ray diffraction study of one macrocycle revealed a nonplanar, strongly hydrogen-bonded structure. To our surprise, even with very long substituents, the macrocycles were not liquid crystalline. This has been rationalized by ab initio calculations that indicate the macrocycles are undergoing rotation of the dibydroxydiiminobenzene rings that may not allow a stable discotic liquid crystalline phase. These results provide new insight into the formation and properties of these large macrocycles and may provide guidance to developing stable liquid crystalline materials in the future.</p>},
	keywords = {CHEMISTRY, CRYSTAL-STRUCTURE, cyclodextrin, LIGANDS, LIQUID-CRYSTAL, METAL-COMPLEXES, porphyrins, RECEPTORS, SCHIFF-BASE MACROCYCLES, SHAPE-PERSISTENT MACROCYCLES, supramolecular},
	isbn = {0022-3263},
	url = {<Go to ISI>://000232166800015},
	author = {Gallant, A. J. and J. K.-H. Hui and Zahariev, F. E. and Y. A. Wang* and M. J. MacLachlan*}
}
@article {1209,
	title = {Vanadium complexes with mixed O,S anionic ligands derived from maltol: Synthesis, characterization, and biological studies},
	journal = {Inorganic Chemistry},
	volume = {44},
	number = {8},
	year = {2005},
	note = {ISI Document Delivery No.: 916GWTimes Cited: 32Cited Reference Count: 45},
	month = {Apr},
	pages = {2678-2688},
	type = {Article},
	abstract = {Four mixed O,S binding bidentate ligand precursors derived from maltol (3-hydroxy-2-methyl-4-pyrone) have been chelated to vanadium to yield new bis(ligand)oxovanadium(IV) and tris(ligand)vanadium(III) complexes. The four ligand precursors include two pyranthiones, 3-hydroxy-2- m ethyl-4-pyranthione, commonly known as thiomaltol (Htma), and 2-ethyl-3-hydroxy-4-pyranthione, commonly known as ethylthiomaltol (Hetma), as well as two pyridinethiones, 3-hydroxy-2-methyl-4(H)-pyridinethione (Hmppt) and 3-hydroxy-1,2-dimethyi-4-pyridinethione (Hdppt). Vanadium complex formation was confirmed by elemental analysis, mass spectrometry, and IR and EPR (where possible) spectroscopies. The X-ray structure of oxobis(thiomaltolato)vanadium(IV),VO(tma)(2), was also determined; both cis and trans isomers were isolated in the same asymmetric unit. In both isomers, the two thiomaltolato ligands are arranged around the base of the square pyramid with the V=O linkage perpendicular; the vanadium atom is slightly displaced from the basal plane [V(1) = 0.656(3) angstrom, V(2) = 0.664(2) angstrom]. All of the new complexes were screened for insulin-enhancing effectiveness in streptozotocin-induced diabetes in rats, and VO(tma)2 was profiled metabolically for urinary vanadium and ligand clearance by GFAAS and ESIMS, respectively. The new vanadium complexes did not lower blood glucose levels acutely, possibly because of rapid dissociation and excretion.},
	keywords = {BIOCHEMISTRY, BIS(MALTOLATO)OXOVANADIUM(IV), COORDINATION CHEMISTRY, CRYSTAL-STRUCTURE, EPR, IN-VITRO, METAL, OXOVANADIUM(IV)},
	isbn = {0020-1669},
	url = {<Go to ISI>://000228374400018},
	author = {Monga, V. and Thompson, K. H. and Yuen, V. G. and Sharma, V. and Patrick, B. O. and McNeill, J. H. and Orvig, Chris}
}
@article {1209,
	title = {Vanadium complexes with mixed O,S anionic ligands derived from maltol: Synthesis, characterization, and biological studies},
	journal = {Inorganic Chemistry},
	volume = {44},
	number = {8},
	year = {2005},
	note = {ISI Document Delivery No.: 916GWTimes Cited: 32Cited Reference Count: 45},
	month = {Apr},
	pages = {2678-2688},
	type = {Article},
	abstract = {Four mixed O,S binding bidentate ligand precursors derived from maltol (3-hydroxy-2-methyl-4-pyrone) have been chelated to vanadium to yield new bis(ligand)oxovanadium(IV) and tris(ligand)vanadium(III) complexes. The four ligand precursors include two pyranthiones, 3-hydroxy-2- m ethyl-4-pyranthione, commonly known as thiomaltol (Htma), and 2-ethyl-3-hydroxy-4-pyranthione, commonly known as ethylthiomaltol (Hetma), as well as two pyridinethiones, 3-hydroxy-2-methyl-4(H)-pyridinethione (Hmppt) and 3-hydroxy-1,2-dimethyi-4-pyridinethione (Hdppt). Vanadium complex formation was confirmed by elemental analysis, mass spectrometry, and IR and EPR (where possible) spectroscopies. The X-ray structure of oxobis(thiomaltolato)vanadium(IV),VO(tma)(2), was also determined; both cis and trans isomers were isolated in the same asymmetric unit. In both isomers, the two thiomaltolato ligands are arranged around the base of the square pyramid with the V=O linkage perpendicular; the vanadium atom is slightly displaced from the basal plane [V(1) = 0.656(3) angstrom, V(2) = 0.664(2) angstrom]. All of the new complexes were screened for insulin-enhancing effectiveness in streptozotocin-induced diabetes in rats, and VO(tma)2 was profiled metabolically for urinary vanadium and ligand clearance by GFAAS and ESIMS, respectively. The new vanadium complexes did not lower blood glucose levels acutely, possibly because of rapid dissociation and excretion.},
	keywords = {BIOCHEMISTRY, BIS(MALTOLATO)OXOVANADIUM(IV), COORDINATION CHEMISTRY, CRYSTAL-STRUCTURE, EPR, IN-VITRO, METAL, OXOVANADIUM(IV)},
	isbn = {0020-1669},
	url = {<Go to ISI>://000228374400018},
	author = {Monga, V. and Thompson, K. H. and Yuen, V. G. and Sharma, V. and Patrick, B. O. and McNeill, J. H. and Orvig, Chris}
}
@article {878,
	title = {New details concerning the reactions of nitric oxide with vanadium tetrachloride},
	journal = {Inorganic Chemistry},
	volume = {43},
	number = {22},
	year = {2004},
	note = {ISI Document Delivery No.: 866SHTimes Cited: 2Cited Reference Count: 35},
	month = {Nov},
	pages = {7227-7233},
	type = {Article},
	abstract = {The slow addition of NO to a CCl4 solution Of VCl4 reproducibly forms the known polymer [V(NO)(3)Cl-2](n) as a dark brown powder. Treatment of a CH2Cl2 suspension of [V(NO)(3)Cl-2], with excess THF generates mer-(THF)(3)V(NO)Cl-2 (1) which can be isolated as an orange crystalline material in 55\% yield. The reaction of 1 with excess MeCN or 1 equiv of trimpsi (trimpsi = (BuSi)-Bu-t(CH2PMe2)(3)) provides yellow-orange (MeCN)(3)V(NO)Cl-2.MeCN (2.MeCN) and yellow (trimpsi)V(NO)Cl-2 (3), respectively. A black, crystalline complex formulated as [NO][VCl5] (4) is formed by the slow addition of NO to neat VCl4 or by the reaction of excess CINO with neat VCl4. Complex 4 is extremely air- and moisture-sensitive, and IR spectroscopy suggests that in solutions and in the gas phase it dissociates back into VCl4 and CINO. Reaction of 4 with excess [NEt3(CH2Ph)]Cl generates [NEt3(CH2Ph)](2)[VCl6].2CH(2)Cl(2) (5.2CH(2)Cl(2)), which can be isolated as deep-red crystals in 51\% yield. All new complexes have been characterized by conventional spectroscopic methods, and the solid-state molecular structures of 1, 2.MeCN, and 5.2CH(2)Cl(2) have been established by single-crystal X-ray diffraction analyses.},
	keywords = {(BUSI)-BU-T(CH2PME2)(3), (TRIMPSI)M(CO)(2)(NO) COMPLEXES M, CHLORIDE, COORDINATION-COMPOUNDS, CRYSTAL-STRUCTURE, DICHLOROTRINITROSYLVANADIUM, IR-SPECTRUM, NITROSYLS, REACTIVITY, TRIMPSI},
	isbn = {0020-1669},
	url = {<Go to ISI>://000224792900049},
	author = {Hayton, T. W. and Patrick, B. O. and Legzdins,Peter}
}
@article {960,
	title = {Poly[(2,2 {\textquoteright}-bipyridine)tetrakis(imidazolato)diiron(II)]: Structural and spin-state phase transitions and low-temperature magnetic ordering in a unique 2-dimensional material},
	journal = {Inorganic Chemistry},
	volume = {43},
	number = {7},
	year = {2004},
	note = {ISI Document Delivery No.: 808QLTimes Cited: 9Cited Reference Count: 31},
	month = {Apr},
	pages = {2330-2339},
	type = {Article},
	abstract = {Poly[(2,2{\textquoteright}-bipyridine)tetrakis(imidazolato)diiron(II)] was synthesized by the reaction of ferrocene with imidazole in an excess of 2,2{\textquoteright}- bipyridine in a Carius tube at 130degreesC. Dc magnetic susceptibility studies at an applied field of 1000 G reveal that on cooling from room temperature, the material undergoes two structural phase transitions designated alpha {\textendash}> beta, and beta {\textendash}> gamma at 151 and 133 K, respectively. On warming, the gamma {\textendash}> beta and beta {\textendash}> alpha transitions are observed at 137 and 151 K, respectively; a 4 K thermal hysteresis clearly detectable in the lower temperature beta <{\textendash}{\textendash}> gamma transition. These structural phase transitions have also been studied by detailed, variable-temperature, ac susceptibility and Mossbauer spectroscopy techniques. Single-crystal X-ray diffraction studies done at 294, 143, and 113 K reveal 2, 12, and 6 unique iron centers in the alpha-, beta-, and gamma-forms, respectively. All three forms have the same basic structure involving 2D extended double layer sheets (bilayers) of alternating tetrahedral and octahedral irons singly bridged by imidazolate ligands, with the octahedral centers additionally coordinated by 2,2{\textquoteright}-bipyridine ligands that occupy positions between the sheets. Magnetic susceptibility and bond length data reveal that in the gamma-phase one in three six-coordinate sites corresponds to spin singlet ground-state iron(II); i.e., the overall alpha {\textendash}> gamma process involves a spin-crossover transition such that at least 1/6 of the iron sites in the gamma-phase correspond to S = 0. This is supported by the low-temperature Mossbauer spectra of the gamma-phase, which reveal the simultaneous presence of both S = 2 and S = 0 iron(II) centers. The compound magnetically orders, with a resultant small remnant magnetization, at low temperatures. The magnetic phase transition, studied by a combination of dc and ac susceptibility and Mossbauer techniques, occurs at T-c similar to 6.5 K.},
	keywords = {CHEMISTRY, COMPLEXES, CROSSOVER, CRYSTAL-STRUCTURE, ELECTRONIC-STRUCTURE, IRON(II), PYRAZOLATE},
	isbn = {0020-1669},
	url = {<Go to ISI>://000220583500020},
	author = {Patrick, B. O. and Reiff, W. M. and Sanchez, V. and Storr, A. and Thompson, R. C.}
}
@article {960,
	title = {Poly[(2,2 {\textquoteright}-bipyridine)tetrakis(imidazolato)diiron(II)]: Structural and spin-state phase transitions and low-temperature magnetic ordering in a unique 2-dimensional material},
	journal = {Inorganic Chemistry},
	volume = {43},
	number = {7},
	year = {2004},
	note = {ISI Document Delivery No.: 808QLTimes Cited: 9Cited Reference Count: 31},
	month = {Apr},
	pages = {2330-2339},
	type = {Article},
	abstract = {Poly[(2,2{\textquoteright}-bipyridine)tetrakis(imidazolato)diiron(II)] was synthesized by the reaction of ferrocene with imidazole in an excess of 2,2{\textquoteright}- bipyridine in a Carius tube at 130degreesC. Dc magnetic susceptibility studies at an applied field of 1000 G reveal that on cooling from room temperature, the material undergoes two structural phase transitions designated alpha {\textendash}> beta, and beta {\textendash}> gamma at 151 and 133 K, respectively. On warming, the gamma {\textendash}> beta and beta {\textendash}> alpha transitions are observed at 137 and 151 K, respectively; a 4 K thermal hysteresis clearly detectable in the lower temperature beta <{\textendash}{\textendash}> gamma transition. These structural phase transitions have also been studied by detailed, variable-temperature, ac susceptibility and Mossbauer spectroscopy techniques. Single-crystal X-ray diffraction studies done at 294, 143, and 113 K reveal 2, 12, and 6 unique iron centers in the alpha-, beta-, and gamma-forms, respectively. All three forms have the same basic structure involving 2D extended double layer sheets (bilayers) of alternating tetrahedral and octahedral irons singly bridged by imidazolate ligands, with the octahedral centers additionally coordinated by 2,2{\textquoteright}-bipyridine ligands that occupy positions between the sheets. Magnetic susceptibility and bond length data reveal that in the gamma-phase one in three six-coordinate sites corresponds to spin singlet ground-state iron(II); i.e., the overall alpha {\textendash}> gamma process involves a spin-crossover transition such that at least 1/6 of the iron sites in the gamma-phase correspond to S = 0. This is supported by the low-temperature Mossbauer spectra of the gamma-phase, which reveal the simultaneous presence of both S = 2 and S = 0 iron(II) centers. The compound magnetically orders, with a resultant small remnant magnetization, at low temperatures. The magnetic phase transition, studied by a combination of dc and ac susceptibility and Mossbauer techniques, occurs at T-c similar to 6.5 K.},
	keywords = {CHEMISTRY, COMPLEXES, CROSSOVER, CRYSTAL-STRUCTURE, ELECTRONIC-STRUCTURE, IRON(II), PYRAZOLATE},
	isbn = {0020-1669},
	url = {<Go to ISI>://000220583500020},
	author = {Patrick, B. O. and Reiff, W. M. and Sanchez, V. and Storr, A. and Thompson, R. C.}
}
@article {880,
	title = {The solid-state molecular structure of W(NO)(3)Cl-3 and the nature of its W-NO bonding},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {82},
	number = {2},
	year = {2004},
	note = {ISI Document Delivery No.: 802BHTimes Cited: 1Cited Reference Count: 46},
	month = {Feb},
	pages = {285-292},
	type = {Article},
	abstract = {{The monomeric trinitrosyl complex, W(NO)(3)Cl-3, can be prepared by the treatment of WCl6 in CH2Cl2 with NO gas, and its identity has been unambiguously confirmed by a single-crystal X-ray diffraction analysis. The complex crystallizes in the space group Pmn2(1) as a three-component twin (a = 10.4280(4) Angstrom},
	keywords = {bonding, CARBONYL, CHEMISTRY, CRYSTAL-STRUCTURE, DERIVATIVES, DICHLORODINITROSYLTUNGSTEN, DICHLOROTRINITROSYLVANADIUM, MOLYBDENUM, MONONUCLEAR, NITROSYL, NITROSYL COMPLEXES, STRUCTURE, TUNGSTEN},
	isbn = {0008-4042},
	url = {<Go to ISI>://000220138500024},
	author = {Hayton, T. W. and Patrick, B. O. and Legzdins,Peter and McNeil, W. S.}
}
@article {932,
	title = {Structural and dynamic independence of isopeptide-linked RanGAP1 and SUMO-1},
	journal = {Journal of Biological Chemistry},
	volume = {279},
	number = {47},
	year = {2004},
	note = {ISI Document Delivery No.: 870ZPTimes Cited: 14Cited Reference Count: 46},
	month = {Nov},
	pages = {49131-49137},
	type = {Article},
	abstract = {Although sumoylation regulates a diverse and growing number of recognized biological processes, the molecular mechanisms by which the covalent attachment of the ubiquitin-like protein SUMO can alter the properties of a target protein remain to be established. To address this question, we have used NMR spectroscopy to characterize the complex of mature SUMO-1 with the C-terminal domain of human RanGAP1. Based on amide chemical shift and N-15 relaxation measurements, we show that the C terminus of SUMO-1 and the loop containing the consensus sumoylation site in RanGAP1 are both conformationally flexible. Furthermore, the overall structure and backbone dynamics of each protein remain unchanged upon the covalent linkage of Lys(524) in RanGAP1 to the C-terminal Gly(97) of SUMO-1. Therefore, SUMO-1 and RanGAP1 behave as "beads-on-a-string," connected by a flexible isopeptide tether. Accordingly, the sumoylation-dependent interaction of RanGAP1 with the nucleoporin RanBP2 may arise through the bipartite recognition of both RanGAP1 and SUMO-1 rather than through a new binding surface induced in either individual protein upon their covalent linkage. We hypothesize that this conformational flexibility may be a general feature contributing to the recognition of ubiquitin-like modified proteins by their downstream effector machineries.},
	keywords = {BACKBONE DYNAMICS, BINDING, CONJUGATION, CRYSTAL-STRUCTURE, GTPASE-ACTIVATING PROTEIN, IN-VIVO, MOLYBDOPTERIN, NUCLEAR-PORE COMPLEX, SYNTHASE, UBC9, UBIQUITIN},
	isbn = {0021-9258},
	url = {<Go to ISI>://000225098100078},
	author = {Macauley, M. S. and Errington, W. J. and Okon, M. and Scharpf, M. and Mackereth, C. D. and Schulman, B. A. and McIntosh, L. P.}
}
@article {891,
	title = {Structural basis of actin sequestration by thymosin-beta 4: implications for WH2 proteins},
	journal = {Embo Journal},
	volume = {23},
	number = {18},
	year = {2004},
	note = {ISI Document Delivery No.: 861IFTimes Cited: 48Cited Reference Count: 51},
	month = {Sep},
	pages = {3599-3608},
	type = {Article},
	abstract = {The WH2 (Wiscott - Aldridge syndrome protein homology domain 2) repeat is an actin interacting motif found in monomer sequestering and filament assembly proteins. We have stabilized the prototypical WH2 family member, thymosin-beta4 (Tbeta4), with respect to actin, by creating a hybrid between gelsolin domain 1 and the C-terminal half of Tbeta4 (G1-Tbeta4). This hybrid protein sequesters actin monomers, severs actin filaments and acts as a leaky barbed end cap. Here, we present the structure of the G1-Tbeta4: actin complex at 2Angstrom resolution. The structure reveals that Tbeta4 sequesters by capping both ends of the actin monomer, and that exchange of actin between Tb4 and profilin is mediated by a minor overlap in binding sites. The structure implies that multiple WH2 motif-containing proteins will associate longitudinally with actin filaments. Finally, we discuss the role of the WH2 motif in arp2/3 activation.},
	keywords = {actin, ARP2/3 COMPLEX, BETA-THYMOSINS, BINDING-PROTEINS, CRYSTAL-STRUCTURE, DNASE-I, F-ACTIN, MONOMERIC, NEGATIVE COOPERATIVITY, NMR-SPECTROSCOPY, NUCLEAR-MAGNETIC-RESONANCE, protein crystallography, SCAR, VCA, WASp, WH2},
	isbn = {0261-4189},
	url = {<Go to ISI>://000224409100003},
	author = {Irobi, E. and Aguda, A. H. and Larsson, M. and Guerin, C. and Yin, H. L. and Burtnick, L. D. and Blanchoin, L. and Robinson, R. C.}
}
@article {813,
	title = {Structure of the N-terminal half of gelsolin bound to actin: roles in severing, apoptosis and FAF},
	journal = {Embo Journal},
	volume = {23},
	number = {14},
	year = {2004},
	note = {ISI Document Delivery No.: 847NBTimes Cited: 41Cited Reference Count: 59},
	month = {Jul},
	pages = {2713-2722},
	type = {Article},
	abstract = {The actin filament-severing functionality of gelsolin resides in its N-terminal three domains (G1 - G3). We have determined the structure of this fragment in complex with an actin monomer. The structure reveals the dramatic domain rearrangements that activate G1 - G3, which include the replacement of interdomain interactions observed in the inactive, calcium-free protein by new contacts to actin, and by a novel G2 - G3 interface. Together, these conformational changes are critical for actin filament severing, and we suggest that their absence leads to the disease Finnish-type familial amyloidosis. Furthermore, we propose that association with actin drives the calcium-independent activation of isolated G1 G3 during apoptosis, and that a similar mechanism operates to activate native gelsolin at micromolar levels of calcium. This is the first structure of a filament-binding protein bound to actin and it sets stringent, high-resolution limitations on the arrangement of actin protomers within the filament.},
	keywords = {5-BISPHOSPHATE, actin, AMYLOIDOSIS-FINNISH TYPE, apoptosis, BINDING-SITE, CA2+ REGULATION, calcium, CRYSTAL-STRUCTURE, crystallographic structure, F-ACTIN, FAMILIAL AMYLOIDOSIS, FILAMENT BARBED ENDS, gelsolin, PHOSPHATIDYLINOSITOL 4, PLASMA GELSOLIN, X-RAY},
	isbn = {0261-4189},
	url = {<Go to ISI>://000223398800002},
	author = {Burtnick, L. D. and Urosev, D. and Irobi, E. and Narayan, K. and Robinson, R. C.}
}
@article {615,
	title = {Activation and functionalization of molecular nitrogen by metal complexes},
	journal = {Chemical Record},
	volume = {3},
	number = {1},
	year = {2003},
	note = {ISI Document Delivery No.: 669WPTimes Cited: 48Cited Reference Count: 52},
	pages = {2-11},
	type = {Article},
	abstract = {Molecular nitrogen is intrinsically unreactive, so much so that it has confounded chemists for decades in attempts to functionalize this abundant diatomic molecule. While biological systems and industrial processes can fix nitrogen to form ammonia, the challenge is to discover a process that involves a homogeneous catalyst that can utilize N-2 as a feedstock to generate higher value organonitrogen materials. In this review, the activation of molecular nitrogen by transition metal complexes is reviewed with the view to present new kinds of transformations for coordinated dinitrogen. Moreover, some reaction types that are as yet unknown are outlined to try and stimulate further research in this area. (C) 2003 The Japan Chemical Journal Forum and Wiley Periodicals, Inc.},
	keywords = {BRIDGING N-2 UNIT, CHEMISTRY, COORDINATED, COORDINATION CHEMISTRY, CRYSTAL-STRUCTURE, DINITROGEN, DINITROGEN COMPLEXES, END-ON, FIXATION, nitrogen fixation, nitrogenase, REDUCTION, SIDE-ON, transition metal complexes, ZIRCONIUM},
	isbn = {1527-8999},
	url = {<Go to ISI>://000182373700001},
	author = {Fryzuk,Michael D.}
}
@article {716,
	title = {Dichloro(diphosphine)(2-pyridyl-ketone)ruthenium(II) complexes},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {81},
	number = {11},
	year = {2003},
	note = {ISI Document Delivery No.: 746YXTimes Cited: 9Cited Reference Count: 31},
	month = {Nov},
	pages = {1263-1269},
	type = {Article},
	abstract = {Described are the synthesis and characterization of Ru(II) complexes of the type RuCl2L2(N-O), where L-2 is either 1,4-bis(diphenylphosphino)butane (dppb) or (PPh3)(2), and N-O represents chelated 2-benzoylpyridine (2-bzpy) or 2-acetylpyridine (2-acpy); the Ru presursors used were [RuCl2(dppb)](2)(mu-dppb) or RuCl2(PPh3)(3). The crystal structure of cis-RuCl2(dppb)(2-bzpy) is presented, and three other RuCl2L2(N-O) complexes with cis-chlorines are isolated and characterized spectroscopically; of the trans-dichloro species, RuCl2(PPh3)(2)(N-O) complexes are isolated, while the corresponding dppb species are characterized in situ. In all cases, thermodynamically stable cis-complexes are formed from initially formed trans-species.},
	keywords = {2, 2-acetylpyridine, 2-benzoylpyridine, 2{\textquoteright}-BIPYRIDINE, CRYSTAL-STRUCTURE, DONOR, ISOMERIZATION, LIGANDS, phosphines, REDOX POTENTIALS, ruthenium, ruthenium complexes, structures, X-RAY},
	isbn = {0008-4042},
	url = {<Go to ISI>://000186777600018},
	author = {Queiroz, S. L. and Batista, A. A. and de Araujo, M. P. and Bianchini, R. C. and Oliva, G. and Ellena, J. and James, Brian R.}
}
@article {617,
	title = {Dinuclear organometallic dinitrogen complexes of niobium},
	journal = {Inorganica Chimica Acta},
	volume = {345},
	year = {2003},
	note = {ISI Document Delivery No.: 653EUTimes Cited: 4Cited Reference Count: 30},
	month = {Mar},
	pages = {53-62},
	type = {Article},
	abstract = {{The niobium(III) chloride precursors (R)[P2N2]NbCl stabilized by the bis-(amidophosphine) macrocycle (where (R)[P2N2] RP(CH2SiMe2NSiMe2CH2)(2)PR},
	keywords = {ACTIVATION, amidophosphine ligands, AZOBENZENE, CLEAVAGE, CRYSTAL-STRUCTURE, CRYSTALLOGRAPHY, DINITROGEN COMPLEXES, END-ON, FIXATION, fluxionality, macrocycle, macrocycles, N-2, NIOBIUM, NITRIDE, SIDE-ON},
	isbn = {0020-1693},
	url = {<Go to ISI>://000181422900008},
	author = {Fryzuk,Michael D. and Kozak, C. M. and Patrick, B. O.}
}
@article {569,
	title = {dlf complexes with uniform coordination geometry: Structural and magnetic properties of an LnNi2 core supported by a heptadentate amine phenol ligand},
	journal = {Inorganic Chemistry},
	volume = {42},
	number = {5},
	year = {2003},
	note = {ISI Document Delivery No.: 653EVTimes Cited: 20Cited Reference Count: 37},
	month = {Mar},
	pages = {1576-1583},
	type = {Article},
	abstract = {The synthesis and physical characterization of a series of lanthanide (Ln(III)) and nickel (Ni-II) mixed trimetallic complexes with the heptadentate (N4O3) amine phenol ligand H(3)trn [tris(2{\textquoteright}-hydroxybenzylaminoethyl)amine] has been accomplished in order to extend our understanding of how amine phenol ligands can be used to coaggregate d- and f-block metal ions and to investigate further the magnetic interaction between these ions. The one-pot reaction in methanol of stoichiometric amounts of H(3)trn with NiX2.6H(2)O (X = ClO4, NO3) followed by addition of the corresponding LnX(3).6H(2)O salt, and then base, produces complexes of the general formula [LnNi(2)(trn)(2)]X.nH(2)O.The complexes were characterized by a variety of analytical techniques. Crystals of five of the complexes were grown from methanol solutions and their structures were determined by X-ray analysis: [PrNi2(trn)(2)(CH3OH)]ClO4.4CH(3)-OH.H2O, [SmNi2(trn)(2)(CH3OH)]NO3.4CH(3)OH.2H(2)O, [TbNi2(trn)(2)(CH3OH)]NO3.4CH(3)OH.3H(2)O, [ErNi2(trn)(2)(CH3OH)]-NO3.6CH(3)OH, and [LuNi2(trn)(2)(CH3OH)]NO3.4.5CH(3)OH.1.5H(2)O. The [LnNi(2)(trn)(2)(CH3OH)](+) complex cation consists of two octahedral Ni-II ions, each of which is encapsulated by the ligand trn(3-) in an N4O2 coordination sphere with one phenolate O atom not bound to Ni-II. Each [Ni(trn)](-) unit acts as a tridentate ligand toward the Ln(III) ion via two bridging and one nonbridging phenolate donors. Remarkably, in all of the structurally characterized complexes, Ln(III) is seven-coordinate and has a flattened pentagonal bipyramidal geometry. Such uniform coordination behavior along the whole lanthanide series is rare and can perhaps be attributed to a mismatch between the geometric requirements of the bridging and nonbridging phenolate donors. Magnetic studies indicate that ferromagnetic exchange occurs in the Ni-II/Ln(II) complexes where Ln = Gd, Tb, Dy, Ho, or Er.},
	keywords = {AGENTS, BLOCK, CRYSTAL-STRUCTURE, DY, EXCHANGE, IONS, LANTHANIDE COMPLEXES, METAL, MOLECULES},
	isbn = {0020-1669},
	url = {<Go to ISI>://000181423000026},
	author = {Bayly, S. R. and Xu, Z. Q. and Patrick, B. O. and Rettig, S. J. and Pink, M. and Thompson, R. C. and Orvig, Chris}
}
@article {569,
	title = {dlf complexes with uniform coordination geometry: Structural and magnetic properties of an LnNi2 core supported by a heptadentate amine phenol ligand},
	journal = {Inorganic Chemistry},
	volume = {42},
	number = {5},
	year = {2003},
	note = {ISI Document Delivery No.: 653EVTimes Cited: 20Cited Reference Count: 37},
	month = {Mar},
	pages = {1576-1583},
	type = {Article},
	abstract = {The synthesis and physical characterization of a series of lanthanide (Ln(III)) and nickel (Ni-II) mixed trimetallic complexes with the heptadentate (N4O3) amine phenol ligand H(3)trn [tris(2{\textquoteright}-hydroxybenzylaminoethyl)amine] has been accomplished in order to extend our understanding of how amine phenol ligands can be used to coaggregate d- and f-block metal ions and to investigate further the magnetic interaction between these ions. The one-pot reaction in methanol of stoichiometric amounts of H(3)trn with NiX2.6H(2)O (X = ClO4, NO3) followed by addition of the corresponding LnX(3).6H(2)O salt, and then base, produces complexes of the general formula [LnNi(2)(trn)(2)]X.nH(2)O.The complexes were characterized by a variety of analytical techniques. Crystals of five of the complexes were grown from methanol solutions and their structures were determined by X-ray analysis: [PrNi2(trn)(2)(CH3OH)]ClO4.4CH(3)-OH.H2O, [SmNi2(trn)(2)(CH3OH)]NO3.4CH(3)OH.2H(2)O, [TbNi2(trn)(2)(CH3OH)]NO3.4CH(3)OH.3H(2)O, [ErNi2(trn)(2)(CH3OH)]-NO3.6CH(3)OH, and [LuNi2(trn)(2)(CH3OH)]NO3.4.5CH(3)OH.1.5H(2)O. The [LnNi(2)(trn)(2)(CH3OH)](+) complex cation consists of two octahedral Ni-II ions, each of which is encapsulated by the ligand trn(3-) in an N4O2 coordination sphere with one phenolate O atom not bound to Ni-II. Each [Ni(trn)](-) unit acts as a tridentate ligand toward the Ln(III) ion via two bridging and one nonbridging phenolate donors. Remarkably, in all of the structurally characterized complexes, Ln(III) is seven-coordinate and has a flattened pentagonal bipyramidal geometry. Such uniform coordination behavior along the whole lanthanide series is rare and can perhaps be attributed to a mismatch between the geometric requirements of the bridging and nonbridging phenolate donors. Magnetic studies indicate that ferromagnetic exchange occurs in the Ni-II/Ln(II) complexes where Ln = Gd, Tb, Dy, Ho, or Er.},
	keywords = {AGENTS, BLOCK, CRYSTAL-STRUCTURE, DY, EXCHANGE, IONS, LANTHANIDE COMPLEXES, METAL, MOLECULES},
	isbn = {0020-1669},
	url = {<Go to ISI>://000181423000026},
	author = {Bayly, S. R. and Xu, Z. Q. and Patrick, B. O. and Rettig, S. J. and Pink, M. and Thompson, R. C. and Orvig, Chris}
}
@article {609,
	title = {Interaction of rhodium(I) bisphosphine complexes with semicarbazones to give orthometallated rhodium(III) complexes},
	journal = {Russian Chemical Bulletin},
	volume = {52},
	number = {12},
	year = {2003},
	note = {ISI Document Delivery No.: 809IUTimes Cited: 7Cited Reference Count: 57International Memorial Symposium on Modern Trends in Organometallic and Catalytic Chemistry Dedicated to Mark Vol{\textquoteright}pinMAY 18-AUG 23, 2003Moscow, RUSSIA},
	month = {Dec},
	pages = {2707-2714},
	type = {Proceedings Paper},
	abstract = {Interaction of the cis-[Rh(PR3)(2)(Solv)(2)]PF6 complexes (R = Ar or R-3 = Ph2Me, Solv solvent) under Ar with semicarbazones bearing a phenyl group on the imine-C atom gives the rhodium(III)-hydrido-bis(phosphine)-orthometallated semicarbazone species [RhH(PR3)(2){(o-C6H4(R{\textquoteright})C=N-N(H)CONH2}]PF6 (R{\textquoteright} = Me or Et), which are characterized generally by elemental analysis, P-31{H-1} and H-1 NMR spectroscopy, and mass-spectrometry. The PPh3-containing complex with R{\textquoteright} = Me, structurally characterized by X-ray analysis, reveals coordination of the semicarbazone by the ortho-C atom, the imine-N atom, and the amide-carbonyl group. For a semicarbazone containing no Ph group, the rhodium(I) complex [Rh(PR3)(2)(Et(Me)C=N-N(H)CONH2)]PF6, containing the eta(2)-semicarbazone bonded via the imine-N and carbonyl, is formed. Attempts to hydrogenate the C=N moiety in the complexes or to catalytically hydrogenate the semicarbazones were unsuccessful.},
	keywords = {ACTIVATION, ASYMMETRIC HYDROGENATION, BENZALDEHYDE SEMICARBAZONE, C-H, C-H BONDS, CATALYTIC-HYDROGENATION, COMPLEXES, CRYSTAL-STRUCTURE, FINE CHEMICALS, INTRAMOLECULAR ACTIVATION, molecular structure, orthometallation, phosphines, rhodium, SELECTIVE HYDROGENATION, semicarbazones, SYNTHESIS, TRANSITION-METAL-COMPLEXES, UNPRECEDENTED CHEMICAL TRANSFORMATION},
	isbn = {1066-5285},
	url = {<Go to ISI>://000220631200019},
	author = {Ezhova, M. B. and Patrick, B. O. and James, Brian R. and Ford, M. E. and Waller, E. J.}
}
@article {736,
	title = {Molecules that can{\textquoteright}t resist templation},
	journal = {Chemical Communications},
	number = {14},
	year = {2003},
	note = {ISI Document Delivery No.: 696EETimes Cited: 26Cited Reference Count: 47},
	pages = {1617-1623},
	type = {Article},
	abstract = {The encapsulation of molecules or ions has captured the interest of a variety of researches, including those using zeolites, fullerenes, micelles, clathrates, and metal coordination complexes. Multiple hemispherical units have been used to create organic cages that can bind guests reversibly or irreversibly. Often such cages will only form in the presence of a guest, which acts as a template. This article summarizes some of the work in this field.},
	keywords = {CAPSULES, CARCEPLEXES, CAVITANDS, CONTAINER COMPOUNDS, CRYSTAL-STRUCTURE, HEMICARCEPLEXES, HOST-GUEST COMPLEXATION, PHASE, REVERSIBLE ENCAPSULATION, SHELL CLOSURE},
	isbn = {1359-7345},
	url = {<Go to ISI>://000183872700002},
	author = {Sherman, J.}
}
@article {651,
	title = {Oxidative addition of halogens to MoRu(CO)(6)(dppm)(2)},
	journal = {Inorganic Chemistry Communications},
	volume = {6},
	number = {9},
	year = {2003},
	note = {ISI Document Delivery No.: 720EATimes Cited: 2Cited Reference Count: 27},
	month = {Sep},
	pages = {1175-1179},
	type = {Article},
	abstract = {Halogens oxidatively add to MoRu(CO)(6)(mu-dppm)(2) (1) at ambient temperature to yield [(CO)(2)Mo(mu-X)(mu-CO)(mu-dpmm)(2)Ru(CO)(2)] (divided by)[Mo(CO)(4) X-3](-), where X = Cl (2) or I (3), dppm - Ph2PCH2PPh2, and the mu-CO is semi-bridging. Complexes 2 and 3 have been characterized by elemental analysis, conductivity, and NMR spectroscopy, while the molecular structure of 3 has been determined by X-ray crystallography. Ignoring a weak metal-metal bond interaction, the cation of 3 is most easily described as pseudo-octahedral at Ru(II) and Mo(0) centres; the anion is a monocapped octahedron that has been described previously. (C) 2003 Elsevier B.V. All rights reserved.},
	keywords = {COMPLEX RHRE(CO)4(PH2PCH2PPH2)2, crystal structure, CRYSTAL-STRUCTURE, H2S, halogen reactivity, METAL-CARBONYLS, MO, molybdenum complex, MOLYBDENUM(II), RH, RU, ruthenium complex, semi-bridged carbonyl, SULFUR-DIOXIDE, {bis(diphenylphosphino)methane},
	isbn = {1387-7003},
	url = {<Go to ISI>://000185247500003},
	author = {Khorasani-Motlagh, M. and Safari, N. and Pamplin, C. B. and Patrick, B. O. and James, Brian R.}
}
@article {774,
	title = {Ruthenium(II) sulfoxide-maltolato and -nitroimidazole complexes: Synthesis and MTT assay},
	journal = {Inorganic Chemistry},
	volume = {42},
	number = {23},
	year = {2003},
	note = {ISI Document Delivery No.: 743FZTimes Cited: 14Cited Reference Count: 52},
	month = {Nov},
	pages = {7579-7586},
	type = {Article},
	abstract = {{Ru-II sulfoxide-maltolato complexes, Ru(ma)(2)(L)(2) (L = DMSO (1a) and TMSO (1b) or L-2 = BESE (1c)), were synthesized, as well as the analogous ethylmaltolato derivatives, Ru(etma)(2)(L)(2) (2a-c) (ma = 3-hydroxy-2-methylpyran-4-onate},
	keywords = {CISPLATIN, CRYSTAL-STRUCTURE, EXPERIMENTAL-TUMORS, IN-VITRO, MOLECULAR-STRUCTURE, NAMI-A, RADIOSENSITIZING ACTIVITY, RAY STRUCTURAL CHARACTERIZATION, SOLUTION CHEMISTRY, SULFOXIDE)RUTHENIUM(II)},
	isbn = {0020-1669},
	url = {<Go to ISI>://000186562900037},
	author = {Wu, A. and Kennedy, David C and Patrick, B. O. and James, Brian R.}
}
@article {745,
	title = {Side-on bridging coordination of N-2: Spectroscopic characterization of the planar Zr2N2 core and theoretical investigation of its butterfly distortion},
	journal = {Chemistry-a European Journal},
	volume = {9},
	number = {2},
	year = {2003},
	note = {ISI Document Delivery No.: 638VDTimes Cited: 14Cited Reference Count: 37},
	month = {Jan},
	pages = {520-530},
	type = {Article},
	abstract = {The vibrational and electronic structure of the side-on N-2-bridged Zr complex [{(P2N2)Zr}(2)(u-n(2):n(2)-N-2)] (P2N2=PhP(CH2SiMe2NSiMe2CH2)(2)PPh) were analyzed. The vibrational characterization of the planar Zr2N2 core was based on resonance Raman and infrared spectroscopy. In the Raman spectrum, the N-N stretching band is found at 775 cm(-1) with an isotope shift of 22 cm(-1). Due to its appearance in many overtones and combination modes, the metal-metal stretch is assigned to the peak at 295 cm(-1). The two ungerade modes of the Zr2N2 core were identified in the infrared spectrum. Based on these four vibrations of the Zr2N2 unit, a quantum chemical assisted normal coordinate analysis (OCA-NCA) was performed. The force constants for the N-N and Zr-N bonds were calculated to be 1.53 and 2.58 mdyn Angstrom(-1), respectively. The butterfly distortion of the Zr2N2 unit obtained in DFT geometry optimizations of planar side-on N-2-bridged Zr complexes was analyzed in more detail. It was found that on bending of the Zr2N2 core, the lone pairs of the axial amide ligands are rotated by 90degrees. The bent Zr2N2 unit is 11 kcal mol(-1) lower in energy than the planar core due to a more uniform distribution of electron density between the metal atoms and NZ and delocalization of electron density from the amide ligands to the Zr2N2 unit. The spectroscopic implications of this distortion are analyzed.},
	keywords = {<P2N2>ZR(MU-ETA(2)-N-2)ZR<P2N2>, coordination modes, CRYSTAL-STRUCTURE, DIHYDROGEN, DINITROGEN COMPLEX, DINITROGEN COMPLEXES, END-ON, EXCHANGE, METAL, MOLECULAR CALCULATIONS, NITROGEN, POTENTIALS, REDUCTION, SPECTROSCOPY, vibrational, ZIRCONIUM},
	isbn = {0947-6539},
	url = {<Go to ISI>://000180592000018},
	author = {Studt, F. and Morello, L. and Lehnert, N. and Fryzuk,Michael D. and Tuczek, F.}
}
@article {729,
	title = {Synthesis and molecular structure of 4-methoxyphenyl-2 {\textquoteright}-pyrrolylthione and its rhenium complex},
	journal = {Inorganica Chimica Acta},
	volume = {349},
	year = {2003},
	note = {ISI Document Delivery No.: 692RBTimes Cited: 4Cited Reference Count: 17},
	month = {Jun},
	pages = {58-64},
	type = {Article},
	abstract = {{A bidentate monoanionic N,S-ligand, 4-methoxyphenyl-2{\textquoteright}-pyrrolylthione (1) was synthesised via an oxygen-to-sulphur exchange in the corresponding ketone and then fully characterised. A trinuclear complex (2) of rhenium with this compound was obtained in a reaction of KReO4 with 1 in the presence of a reducing agent in aqueous ethanol, followed by slow precipitation from chloroform-hexane. The structure of compound 2 corresponds to the formula [Re3O4(C12H10NOS)(6)](+1)[ReO4](-1).2CH(3)CH(2)OH. A single crystal X-ray diffraction study was performed for this complex. The following crystal data were obtained for 2: M-r = 2262.556, monoclinic, space group C2/c},
	keywords = {4-methoxyphenyl-2 {\textquoteright}-pyrrolylthione, CRYSTAL-STRUCTURE, LIGAND, N, S-ligand, X-ray diffraction study},
	isbn = {0020-1693},
	url = {<Go to ISI>://000183673100008},
	author = {Selivanova, S. V. and Dolphin, D. and van Lier, J. E. and Kudrevich, S. V.}
}
@article {641,
	title = {The synthesis, structural characterization, and in vitro anti-cancer activity of chloro(p-cymene) complexes of ruthenium(II) containing a disulfoxide ligand},
	journal = {Inorganica Chimica Acta},
	volume = {352},
	year = {2003},
	note = {ISI Document Delivery No.: 711FATimes Cited: 39Cited Reference Count: 47},
	month = {Aug},
	pages = {238-246},
	type = {Article},
	abstract = {Two diruthenium(II) complexes [RuCl2(p-cymene)](2)(mu-BESE) (1), [RuCl2(p-cymene)](2)(mu-BESP) (2), and the mononuclear salt [RuCl(p-cymene)(BESE)]PF6 (3), containing the disulfoxides BESE and BESP, were synthesized and characterized by elemental analysis, and NMR and IR spectroscopies, and were shown to contain S-bound sulfoxide groups; the disulfoxides are EtS(O)(CH2)(n) S(O)Et, where n = 2 (BESE) or 3 (BESP). Complexes 1 and 3 were also characterized by X-ray crystallography. Preliminary in vitro tests of I and 3 were conducted using the MTT assay, which measures mitochondrial dehydrogenase activity as an indication of cell viability; these complexes showed in vitro anti-cancer activity against a human mammary cancer cell line (MDA-MB-435s) with IC50 values of 360 and 55 muM, respectively. (C) 2003 Elsevier B.V. All rights reserved.},
	keywords = {anti-cancer activity, arene complexes, CANCER, cell, COMPLEX, COORDINATION, crystal structures, CRYSTAL-STRUCTURE, DIMETHYL-SULFOXIDE LIGAND, DIRUTHENIUM(II), disulfoxide ligands, INHIBITION, p-Cymene complexes, RADIOSENSITIZING ACTIVITY, ruthenium complexes, SOLUTION CHEMISTRY},
	isbn = {0020-1693},
	url = {<Go to ISI>://000184727900029},
	author = {Huxham, L. A. and Cheu, E. L. S. and Patrick, B. O. and James, Brian R.}
}
@article {699,
	title = {Thermal activation of hydrocarbon C-H bonds initiated by a tungsten allyl complex},
	journal = {Journal of the American Chemical Society},
	volume = {125},
	number = {49},
	year = {2003},
	note = {ISI Document Delivery No.: 750QETimes Cited: 12Cited Reference Count: 62},
	month = {Dec},
	pages = {15210-15223},
	type = {Article},
	abstract = {Gentle thermolysis of the allyl complex, (CpW)-W-*(NO)(CH2CMe3)(eta(3)-H2CCHCMe2) (1), at 50 degreesC in neat hydrocarbon solutions results in the loss of neopentane and the generation of transient intermediates that subsequently activate solvent C-H bonds. Thus, thermal reactions of 1 with tetramethylsilane, mesitylene, and benzene effect single C-H activations and lead to the exclusive formation of (CpW)-W-*(NO)(CH2SiMe3)(eta(3)-H2CCHCMe2) (2), (CpW)-W-*(NO)(CH2C6H3-3,5-Me-2)(eta(3)-H2CCHCMe2) (3), and (CpW)-W-*(NO)(C6H5)(eta(3)-H2CCHCMe2) (4), respectively. The products of reactions of 1 with other methyl-substituted arenes indicate an inherent preference of the system for the activation of stronger arene sp(2) C-H bonds. For example, C-H bond activation of p-xylene leads to the formation of (CpW)-W-*(NO)(CH2C6H4-4-Me)(eta(3)-H2CCHCMe2) (5) (26\%) and (CpW)-W-*(NO)(C6H3-2,5-Me-2)(eta(3)-H2CCHCMe2) (6) (74\%). Mechanistic and labeling studies indicate that the transient C-H-activating intermediates are the allene complex, (CpW)-W-*(NO)(eta(2)-H2C=C=CMe2) (A), and the eta(2)-diene complex, (CpW)-W-*(NO)(eta(2)-H2C=CHC(Me)=CH2) (B). Intermediates A and B react with cyclohexene to form (CpW)-W-*(NO)(eta(3)-CH2C(2-cyclohexenyl)CMe2)(H) (18) and (CpW)-W-*(NO)(eta(3)-CH2CHC)(Me)CH2CbetaH(C4H8)CalphaH (19), respectively, and intermediate A can be isolated as its PMe3 adduct, (CpW)-W-*(NO)(PMe3)(eta(2)-H2C=C=CMe2) (20). Interestingly, thermal reaction of 1 with 2,3-dimethylbut-2-ene results in the formation of a species that undergoes eta(3) {\textendash}> eta(1) isomerization of the dimethylallyl ligand following the initial C-H bond-activating step to yield (CpW)-W-*(NO)(eta(3)-CMe2CMeCH2)(eta(1)-CH2CHCMe2) (21). Thermolyses of 1 in alkane solvents afford allyl hydride complexes resulting from three successive C-H bond-activation reactions. For instance, 1 in cyclohexane converts to (CpW)-W-*(NO)(eta(3)-C6H9)(H) (22) with dimethylpropylcyclohexane being formed as a byproduct, and in methylcyclohexane it forms the two isomeric complexes, (CpW)-W-*(NO)(eta(3)-C7H11)(H) (23a,b). All new complexes have been characterized by conventional spectroscopic methods, and the solid-state molecular structures of 2, 3, 4, 18, 19, 20, and 21 have been established by X-ray crystallographic analyses.},
	keywords = {ALKYLIDENE COMPLEXES, ALLENE, CHEMICAL-PROPERTIES, COMPLEXES, CRYSTAL-STRUCTURE, ETA-3-ALLYL COMPLEXES, MOLECULAR-STRUCTURE, ORGANOMETALLIC NITROSYL CHEMISTRY, SOLID-STATE, STRUCTURAL CHARACTERIZATION, TRANSITION-METAL COMPLEXES},
	isbn = {0002-7863},
	url = {<Go to ISI>://000187007400050},
	author = {Ng, S. H. K. and Adams, C. S. and Hayton, T. W. and Legzdins,Peter and Patrick, B. O.}
}
@article {629,
	title = {Toward binary nitrosyls: Distinctly bent Fe-N-O linkages in base-stabilized Fe(NO)(3)(+) complexes},
	journal = {Journal of the American Chemical Society},
	volume = {125},
	number = {42},
	year = {2003},
	note = {ISI Document Delivery No.: 733FYTimes Cited: 15Cited Reference Count: 50},
	month = {Oct},
	pages = {12935-12944},
	type = {Article},
	abstract = {Air- and moisture-sensitive Fe(NO)(3)(eta(1)-PF6) (1) may be conveniently prepared by treating Fe(NO)(3)Cl with 1 equiv of [Ag][PF6] in CH2Cl2 or by reacting [NO][PF6] with excess iron filings in MeNO2. Complex 1 is thermally sensitive both as a solid and in solutions, and is best handled below -20 degreesC. To isolate 1 reproducibly from MeNO2 solutions it is necessary to remove all traces of propionitrile, which often occurs as an impurity in MeNO2, because it reacts with Lewis-acidic 1 to form [Fe(NO)(3)(EtCN)][PF6] (2). If trace H2O is present during the synthesis of 1, some of the PF6- is converted to PO2F2-, which is sufficiently Lewis basic that it captures two Fe(NO)(3)(+) fragments and forms [(ON)(3)Fe(mu-PO2F2)Fe(NO)(3)]-[PF6] (3). Finally, Fe(NO)(3)(eta(1)-BF4) (4) can be obtained as a green microcrystalline powder by employing the same synthetic methodologies used to prepare 1. The new complexes 1-4 have been characterized by conventional spectroscopic methods, and the solid-state molecular structures of 2, 3, and 4 and their parent compound, Fe(NO)(3)Cl, have been established by X-ray diffraction methods. The iron centers in the Fe(NO)(3) fragments in all these structures exhibit approximately tetrahedral coordination geometries, and the Fe-N-O linkages are distinctly nonlinear with bond angles in the range of 159 to 169degrees. DFT calculations on Fe(NO)(3)(eta(1)-BF4) (4) confirm that its bent Fe-N-O links have an electronic origin and need not be attributed to other factors, such as packing forces in the crystal. Interestingly, the bending of the NO ligands results in an increase in the energy of the HOMO, relative to the linear case, but at the same time causes a decrease in energy of the HOMO-1 and the HOMO-2 molecular orbitals. This more than compensates for the higher energy of the HOMO, resulting in a lower energy structure.},
	keywords = {basis set, CALCULATIONS, COORDINATION, CRYSTAL-STRUCTURE, density, impurities, MOLECULAR, NITROMETHANE, PURIFICATION, REFINEMENT, TETRANITROSYLCHROMIUM CR(NO)4},
	isbn = {0002-7863},
	url = {<Go to ISI>://000185990300054},
	author = {Hayton, T. W. and McNeil, W. S. and Patrick, B. O. and Legzdins,Peter}
}
@article {377,
	title = {Cyclohexadienyl niobium complexes and arene hydrogenation catalysis},
	journal = {Organometallics},
	volume = {21},
	number = {23},
	year = {2002},
	note = {ISI Document Delivery No.: 612WDTimes Cited: 6Cited Reference Count: 45},
	month = {Nov},
	pages = {5047-5054},
	type = {Article},
	abstract = {Hydrogenolysis of (R)[P2N2]NbCH2SiMe3 (where (R)[P2N2] = RP(CH2SiMe2NSiMe2CH2)(2)PR; R = cyclohexyl, Cy, or phenyl, Ph) in benzene or toluene causes hydride addition to the aromatic solvent resulting in the formation of the pi-bonded complexes (R)[P2N2]Nb(eta(5)-C6H7) (R = Cy, 1; R = Ph, 2) and (R)[P2N2]Nb(eta(5)-C7H9) (R = Cy, 3; R = Ph, 4) in benzene and toluene, respectively. Performing the hydrogenation at a higher pressure of 29 atm at room temperature causes the catalytic hydrogenation of benzene to cyclohexane as determined by NMR spectroscopy and GC-MS analysis. The hydrogenation of toluene to methylcyclohexane can also be performed, but the turnover frequency is considerably lower. Examination of the solid residues from the high-pressure hydrogenations indicates the formation of the pi-bonded complexes 1 and 2. The additionof 29 atm of H-2 to these cyclohexadienyl derivatives in benzene or toluene, however, shows no hydrogenation products, indicating these species are not catalytically active.},
	keywords = {AROMATIC-HYDROCARBONS, BOND, CHEMISTRY, CRYSTAL-STRUCTURE, HOMOGENEOUS HYDROGENATION, LIGANDS, TANTALUM DIHYDRIDE},
	isbn = {0276-7333},
	url = {<Go to ISI>://000179097700024},
	author = {Fryzuk,Michael D. and Kozak, C. M. and Bowdridge, M. R. and Patrick, B. O.}
}
@article {529,
	title = {Definitive evidence for monoanionic binding of 2,3-dihydroxybiphenyl to 2,3-dihydroxybiphenyl 1,2-dioxygenase from UV resonance Raman spectroscopy, UV/Vis absorption spectroscopy, and crystallography},
	journal = {Journal of the American Chemical Society},
	volume = {124},
	number = {11},
	year = {2002},
	note = {ISI Document Delivery No.: 531UMTimes Cited: 53Cited Reference Count: 79},
	month = {Mar},
	pages = {2485-2496},
	type = {Article},
	abstract = {Ultraviolet resonance Raman spectroscopy (UVRRS), electronic absorption spectroscopy, and X-ray crystallography were used to probe the nature of the binding of 2,3-dihydroxybiphenyl (DHB) to the extradiol ring-cleavage enzyme, 2,3-dihydroxybiphenyl 1,2-dioxygenase (DHBD; EC 1.13.11.39). The lowest lying transitions in the electronic absorption spectrum of DHBD-bound DHB occurred at 299 nm, compared to 305 nm for the monoanionic DHB species in buffer. In contrast, the corresponding transitions in neutral and dianionic DHB occurred at 283 and 348 nm, respectively, indicating that DHBD-bound DHB is monoanionic. These binding-induced spectral changes, and the use of custom-designed optical fiber probes, facilitated UVRR experiments. The strongest feature of the UVRR spectrum of DHB was a Y8a-like mode around 1600 cm(-1), whose position depended strongly on the protonation state of the DHB. In the spectrum of the DHBD-bound species, this feature occurred at 1603 cm-1, as observed in the spectrum of monoanionic DHB. Raman band shifts were observed in deuterated solvent, ruling out dianionic binding of the substrate. Thus, the electronic absorption and UVRRS data demonstrate that DHBD binds its catecholic substrate as a monoanion, definitively establishing this feature of the proposed mechanism of extradiol dioxygenases. This conclusion is supported by a crystal structure of the DHBD:DHB complex at 2.0 Angstrom resolution, which suggests that the substrate{\textquoteright}s 2-hydroxyl substituent, and not the 3-hydroxyl group, deprotonates upon binding. The structural data also show that the aromatic rings of the enzyme-bound DHB are essentially orthogonal to each other. Thus, the 6 nm blue shift of the transition for bound DHB relative to the monoanion in solution could indicate a conformational change upon binding. Catalytic roles of active site residues are proposed based on the structural data and previously proposed mechanistic schemes.},
	keywords = {3, 4-DIOXYGENASE, BIPHENYL, CRYSTAL-STRUCTURE, EXTRADIOL CATECHOL DIOXYGENASES, FE(II) ACTIVE-SITE, FE3+ LIGAND, LIGAND-BINDING, MECHANISM, MOLECULAR-STRUCTURE, PROTOCATECHUATE, SUBSTRATE-BINDING},
	isbn = {0002-7863},
	url = {<Go to ISI>://000174435700037},
	author = {Vaillancourt, F. H. and Barbosa, C. J. and Spiro, T. G. and Bolin, J. T. and Blades, M. W. and Turner, R. F. B. and Eltis, L. D.}
}
@article {529,
	title = {Definitive evidence for monoanionic binding of 2,3-dihydroxybiphenyl to 2,3-dihydroxybiphenyl 1,2-dioxygenase from UV resonance Raman spectroscopy, UV/Vis absorption spectroscopy, and crystallography},
	journal = {Journal of the American Chemical Society},
	volume = {124},
	number = {11},
	year = {2002},
	note = {ISI Document Delivery No.: 531UMTimes Cited: 53Cited Reference Count: 79},
	month = {Mar},
	pages = {2485-2496},
	type = {Article},
	abstract = {Ultraviolet resonance Raman spectroscopy (UVRRS), electronic absorption spectroscopy, and X-ray crystallography were used to probe the nature of the binding of 2,3-dihydroxybiphenyl (DHB) to the extradiol ring-cleavage enzyme, 2,3-dihydroxybiphenyl 1,2-dioxygenase (DHBD; EC 1.13.11.39). The lowest lying transitions in the electronic absorption spectrum of DHBD-bound DHB occurred at 299 nm, compared to 305 nm for the monoanionic DHB species in buffer. In contrast, the corresponding transitions in neutral and dianionic DHB occurred at 283 and 348 nm, respectively, indicating that DHBD-bound DHB is monoanionic. These binding-induced spectral changes, and the use of custom-designed optical fiber probes, facilitated UVRR experiments. The strongest feature of the UVRR spectrum of DHB was a Y8a-like mode around 1600 cm(-1), whose position depended strongly on the protonation state of the DHB. In the spectrum of the DHBD-bound species, this feature occurred at 1603 cm-1, as observed in the spectrum of monoanionic DHB. Raman band shifts were observed in deuterated solvent, ruling out dianionic binding of the substrate. Thus, the electronic absorption and UVRRS data demonstrate that DHBD binds its catecholic substrate as a monoanion, definitively establishing this feature of the proposed mechanism of extradiol dioxygenases. This conclusion is supported by a crystal structure of the DHBD:DHB complex at 2.0 Angstrom resolution, which suggests that the substrate{\textquoteright}s 2-hydroxyl substituent, and not the 3-hydroxyl group, deprotonates upon binding. The structural data also show that the aromatic rings of the enzyme-bound DHB are essentially orthogonal to each other. Thus, the 6 nm blue shift of the transition for bound DHB relative to the monoanion in solution could indicate a conformational change upon binding. Catalytic roles of active site residues are proposed based on the structural data and previously proposed mechanistic schemes.},
	keywords = {3, 4-DIOXYGENASE, BIPHENYL, CRYSTAL-STRUCTURE, EXTRADIOL CATECHOL DIOXYGENASES, FE(II) ACTIVE-SITE, FE3+ LIGAND, LIGAND-BINDING, MECHANISM, MOLECULAR-STRUCTURE, PROTOCATECHUATE, SUBSTRATE-BINDING},
	isbn = {0002-7863},
	url = {<Go to ISI>://000174435700037},
	author = {Vaillancourt, F. H. and Barbosa, C. J. and Spiro, T. G. and Bolin, J. T. and Blades, M. W. and Turner, R. F. B. and Eltis, L. D.}
}
@article {393,
	title = {Differing reactivities of (trimpsi)M(CO)(2)(NO) complexes [M = V, Nb, Ta; trimpsi = (BuSi)-Bu-t(CH2PMe2)(3)] with halogens and halogen sources},
	journal = {Inorganic Chemistry},
	volume = {41},
	number = {21},
	year = {2002},
	note = {ISI Document Delivery No.: 605KHTimes Cited: 11Cited Reference Count: 55},
	month = {Oct},
	pages = {5388-5396},
	type = {Article},
	abstract = {Treatment of (trimpsi)V(CO)(2)(NO) (trimpsi = (BuSi)-Bu-t(CH2PMe2)(3)) with 1 equiv of PhlCl(2) or C2Cl6 or 2 equiv of AgCl affords (trimpsi)V(NO)Cl-2 (1) in moderate yields. Likewise, (trimpsi)V(NO)Br-2 (2) and (trimpsi)V(NO)\(2) (3) are formed by the reactions of (trimpsi)V(CO)(2)(NO) with Br-2 and l(2), respectively. The complexes (trimpsi)M(NO)l(2)(PMe3) (M = Nb, 4; Ta, 5) can be isolated in moderate to low yields when the (trimpsi)M(CO)(2)(NO) compounds are sequentially treated with 1 equiv of l(2) and excess PMe3. The reaction of (trimpsi)V(CO)(2)(NO) with 2 equiv of CINO forms 1 in low yield, but the reactions of (trimpsi)M(CO)(2)(NO) (M = Nb, Ta) with 1 equiv of CINO generate (trimpsi)M(NO)(2)Cl (M = Nb, 6; Ta, 7). Complexes 6 and 7 are thermally unstable and decompose quickly at room temperature; consequently, they have been characterized solely by IR and P-31{H-1} NMR spectroscopies. All other new complexes have been fully characterized by standard methods, and the solid-state molecular structures of 1.3CH(2)Cl(2), 4.(3/ 4)CH2Cl2, and 5.THF have been established by single-crystal X-ray diffraction analyses. A convenient method of generating (ClNO)-N-15 has also been developed during the course of these investigations.},
	keywords = {CHEMISTRY, CRYSTAL-STRUCTURE, DISPROPORTIONATION REACTIVITY, NIOBIUM, NITRIC-OXIDE, NITROSYL COMPLEXES, NO, tantalum, TROPOCORONAND, VANADIUM},
	isbn = {0020-1669},
	url = {<Go to ISI>://000178676700012},
	author = {Hayton, T. W. and Legzdins,Peter and Patrick, B. O.}
}
@article {495,
	title = {Magnetic and structural studies on 1,3-diazolate complexes of cobalt(II) - The characterization of three new cobalt(II) molecule-based magnets},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {80},
	number = {2},
	year = {2002},
	note = {ISI Document Delivery No.: 531ZZTimes Cited: 10Cited Reference Count: 35},
	month = {Feb},
	pages = {133-140},
	type = {Article},
	abstract = {{The cobalt(II) compounds ([Co(imid)(2)](x) (1), [Co(2-meimid)(2)](x) (2), [Co(4-meimid)(2)](x) (3), [Co(benzimid)(2)](x) (4), and [Co-3(imid)(6)(imidH)(2)](x) (5) (imid = imidazolate},
	keywords = {1, 3, 3-diazolates, 5-DIMETHYLPYRAZOLATE, BR, canted spins, CH3, cobalt(II), COMPLEXES, COORDINATION CHEMISTRY, CRYSTAL-STRUCTURE, LIGANDS, LOW-TEMPERATURES, METAL PYRAZOLATE POLYMERS, METALLOCENES, molecule-based magnets, SYSTEMS},
	isbn = {0008-4042},
	url = {<Go to ISI>://000174448300002},
	author = {Sanchez, V. and Storr, A. and Thompson, R. C.}
}
@article {495,
	title = {Magnetic and structural studies on 1,3-diazolate complexes of cobalt(II) - The characterization of three new cobalt(II) molecule-based magnets},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {80},
	number = {2},
	year = {2002},
	note = {ISI Document Delivery No.: 531ZZTimes Cited: 10Cited Reference Count: 35},
	month = {Feb},
	pages = {133-140},
	type = {Article},
	abstract = {{The cobalt(II) compounds ([Co(imid)(2)](x) (1), [Co(2-meimid)(2)](x) (2), [Co(4-meimid)(2)](x) (3), [Co(benzimid)(2)](x) (4), and [Co-3(imid)(6)(imidH)(2)](x) (5) (imid = imidazolate},
	keywords = {1, 3, 3-diazolates, 5-DIMETHYLPYRAZOLATE, BR, canted spins, CH3, cobalt(II), COMPLEXES, COORDINATION CHEMISTRY, CRYSTAL-STRUCTURE, LIGANDS, LOW-TEMPERATURES, METAL PYRAZOLATE POLYMERS, METALLOCENES, molecule-based magnets, SYSTEMS},
	isbn = {0008-4042},
	url = {<Go to ISI>://000174448300002},
	author = {Sanchez, V. and Storr, A. and Thompson, R. C.}
}
@article {416,
	title = {N-hydroxypiperidinium chloride},
	journal = {Acta Crystallographica Section E-Structure Reports Online},
	volume = {58},
	year = {2002},
	note = {ISI Document Delivery No.: 546XWTimes Cited: 0Cited Reference Count: 13Part 5},
	month = {May},
	pages = {o509-o510},
	type = {Article},
	keywords = {CRYSTAL-STRUCTURE},
	isbn = {1600-5368},
	url = {<Go to ISI>://000175302500046},
	author = {Kliegel, W. and Riebe, U. and Patrick, B. O. and Rettig, S. J. and Trotter, J.}
}
@article {480,
	title = {Oligomerization-dependent association of the SAM domains from Schizosaccharomyces pombe Byr2 and Ste4},
	journal = {Journal of Biological Chemistry},
	volume = {277},
	number = {42},
	year = {2002},
	note = {ISI Document Delivery No.: 605EATimes Cited: 21Cited Reference Count: 46},
	month = {Oct},
	pages = {39585-39593},
	type = {Article},
	abstract = {SAM (sterile alpha motif) domains are protein-protein interaction modules found in a large number of regulatory proteins. Byr2 and Ste4 are two SAM domain-containing proteins in the mating pheromone response pathway of the fission yeast, Schizosaccharomyces pombe. Byr2 is a mitogen-activated protein kinase kinase kinase that is regulated by Ste4. Tu et al (Tu, H., Barr, M., Dong, D. L., and Wigler, M. (1997) Mol. Cell. Biol. 17, 5876-5887) showed that the isolated SAM domain of Byr2 binds a fragment of Ste4 that contains both a leucine zipper (Ste4-LZ) domain as well as a SAM domain, suggesting that Byr2-SAM and Ste4-SAM may form a hetero-oligomer. Here, we show that the individual SAM domains of Ste4 and Byr2 are monomeric at low concentrations and bind to each other in a 1:1 stoichiometry with a relatively weak dissociation constant of 56 +/- 3 mum. Inclusion of the Ste4-LZ domain, which determines the oligomeric state of Ste4, has a dramatic effect on binding affinity, however. We find that the Ste4-LZ domain is trimeric and, when included with the Ste4-SAM domain, yields a 3:1 Ste4-LZ-SAM:Byr2-SAM complex with a tight dissociation constant of 19 +/- 4 nm. These results suggest that the Ste4-LZ-SAM protein may recognize multiple binding sites on Byr2-SAM, indicating a new mode of oligomeric organization for SAM domains. The fact that high affinity binding occurs only with the addition of an oligomerization domain suggests that it may be necessary to include ancillary oligomerization modules when searching for binding partners of SAM domains.},
	keywords = {CRYSTAL-STRUCTURE, HUMAN LEUKEMIA, IDENTIFICATION, KINASE, LAC REPRESSOR, PROTEIN-KINASE, RECEPTOR, TEL, TRANSCRIPTION FACTOR, TYROSINE, YEAST},
	isbn = {0021-9258},
	url = {<Go to ISI>://000178662500069},
	author = {Ramachander, R. and Kim, C. A. and Phillips, M. L. and Mackereth, C. D. and Thanos, C. D. and McIntosh, L. P. and Bowie, J. U.}
}
@article {510,
	title = {Synthesis and solution studies of the complexes of trivalent lanthanides with the tetraazamacrocycle TETA-(PO)(2)},
	journal = {Inorganic Chemistry},
	volume = {41},
	number = {4},
	year = {2002},
	note = {ISI Document Delivery No.: 524GATimes Cited: 9Cited Reference Count: 29},
	month = {Feb},
	pages = {685-692},
	type = {Article},
	abstract = {A new potentially multidentate hexaprotic ligand H-6[TETA-(PO)(2)] has been prepared by reaction of ethylenediamine-N,N{\textquoteright}-diacetic acid (EDDA), paraformaldehyde, and phosphinic acid; its coordination properties with three lanthanide ions (La3+, Gd3+, and Lu3+) have been explored. The structures of the complexes were studied in aqueous solution by potentiometric pH titrations and by P-31 NMR spectroscopy. Four acidity constants were determined potentiometrically in the range 2.5 < pH < 14. The four measured pK(a) values can be divided into two groups, and within each group the initial deprotonation was found to have little effect on the second. Variable temperature 31P and P-31{H-1} EXSY NMR spectra showed that, for [Lu(TETA-(PO)(2))](3-), the two phosphorus atoms exist in different chemical environments and undergo an exchange process which is very fast on the NMR time scale at room temperature. This result is consistent with one of the phosphinate residues coordinating the metal ion and exchanging with a free analogue. In the case of [La(TETA-(PO)(2))](3-), only one temperature invariant signal is observed in P-31 NMR spectra; it corresponds to both phosphinate residues remaining uncoordinated to La3+. The stability of [Ln-(TETA-(PO)(2))](3-) has an order of La3+ > Gd3+ > Lu3+. The coordination of one phosphinate residue to Lu3+ brings the metal ion closer to the plane of four nitrogens and farther from the four carboxylate arms, resulting in [Lu(TETA-(PO)(2))](3-) having a lower stability than the corresponding La3+ and Gd3+ complexes. A pM-pH distribution diagram showed that introducing two phosphinate groups into TETA renders [Gd(TETA-(PO)(2))](3-) more stable than [Gd(TETA)](-). The selectivity factor of the ligand for Gd3+ vs Ca2+, Zn2+, and Cu2+ has been calculated, and the hydration number for [Dy(TETA-(PO)(2))](3-) has been measured by O-17 NMR spectroscopy to be zero.},
	keywords = {ACID, CRYSTAL-STRUCTURE, DERIVATIVES, DOTA, DYNAMICS, IONS, LIGANDS, luminescence, STABILITIES},
	isbn = {0020-1669},
	url = {<Go to ISI>://000174003700014},
	author = {Song, B. and Storr, T. and Liu, S. and Orvig, Chris}
}
@article {5013,
	title = {alpha-agostic interactions in Cp*W(NO)(CH2CMe3)(2) and related nitrosyl complexes},
	journal = {Organometallics},
	volume = {20},
	number = {22},
	year = {2001},
	note = {ISI Document Delivery No.: 488TLTimes Cited: 22Cited Reference Count: 59},
	month = {Oct},
	pages = {4492-4501},
	type = {Article},
	abstract = {The solid-state molecular structure of Cp*W(NO)(CH2CMe3)(2) (1) has been shown to contain one "strongly agostic" and one "weakly agostic" methylene hydrogen atom by a neutron diffraction analysis at 120 K and by an X-ray diffraction analysis at -100 degreesC. The X-ray diffraction analysis of Cp*W(NO)(CH2SiMe3)(2) (2) at -20 degreesC reveals that its solid-state molecular structure possesses a crystallographically imposed mirror plane. Consequently, only the average existence of a relatively strong C-(HM)-M-... interaction for each hydrocarbyl ligand in 2 in the solid state can be established. The H-1 and gated C-13{H-1} NMR spectra of representative Cp{\textquoteright}M(NO)(R)(R{\textquoteright}) (M = Mo, W; R = hydrocarbyl, R{\textquoteright} = hydrocarbyl, halide, amide) complexes exhibit spectral parameters for the alpha -H and alpha -C atoms (i.e., delta (H), delta (C), Delta delta (H), DeltaJ(HC), and J(HW)) that provide evidence for the presence of a-agostic interactions in the molecular structures of these complexes in solution. The picture that has emerged from these investigations is that these complexes do adopt an a-agostic structure both in solution and in the solid state when secondary interactions such as pi -electron donation are weak (as in Cp*W(NO)(CH2CMe3)Cl), competitive (as in Cp*W(NO)(CH2CMe3)(CH2Ph)), or not possible (as in Cp*W(NO)(hydrocarbyl)(2) complexes generally). The bis(hydrocarbyl) complexes are probably stereochemically nonrigid in solution, as they appear to interconvert between the two limiting structures having one strongly agostic and one weakly agostic hydrocarbyl ligand. The neopentyl ligand forms alpha -agostic linkages with the metal centers in all neopentyl complexes studied, and these agostic interactions appear to be independent of the nature of the metal or the ancillary cyclopentadienyl ligand. Interestingly, the presence of these groundstate agostic interactions does not correlate with the tendency of the various compounds to undergo intramolecular alpha -H abstraction reactions and form reactive alkylidene complexes.},
	keywords = {ALKYL, C-H ACTIVATION, CARBON, COMPLEXES, CRYSTAL-STRUCTURE, DIALKYL COMPLEXES, hydride, HYDROGEN, MOLYBDENUM, TRANSITION-METAL BONDS, TUNGSTEN},
	isbn = {0276-7333},
	url = {<Go to ISI>://000171951700012},
	author = {Bau, R. and Mason, S. A. and Patrick, B. O. and Adams, C. S. and Sharp, W. B. and Legzdins,Peter}
}
@article {5127,
	title = {An aurophilicity-determined 3-D bimetallic coordination polymer: using [Au(CN)(2)](-) to increase structural dimensionality through gold center dot center dot center dot gold bonds in (tmeda)Cu[Au(CN)(2)](2)},
	journal = {Chemical Communications},
	number = {03},
	year = {2001},
	note = {ISI Document Delivery No.: 396KHTimes Cited: 68Cited Reference Count: 24},
	pages = {259-260},
	type = {Article},
	abstract = {A coordination polymer with the [Au(CN)(2)](-) building block has been prepared and it exhibits weak Au(I)-mediated ferromagnetic interactions; the structure illustrates that aurophilicity is a powerful tool to increase dimensionality, generating a three-dimensional system from a 1-D polymer.},
	keywords = {BUILDING-BLOCKS, CHEMISTRY, COMPONENT, CRYSTAL-STRUCTURE, LIGANDS, MAGNETIC-PROPERTIES, NETWORK},
	isbn = {1359-7345},
	url = {<Go to ISI>://000166635200017},
	author = {Leznoff, D. B. and Xue, B. Y. and Patrick, B. O. and Sanchez, V. and Thompson, R. C.}
}
@article {5102,
	title = {Bis(mercapto) and hydrido(thiolate) complexes of Ru(II)-dppm (dppm = Ph2PCH2PPh2)},
	journal = {Inorganica Chimica Acta},
	volume = {320},
	number = {1-2},
	year = {2001},
	note = {ISI Document Delivery No.: 472CETimes Cited: 6Cited Reference Count: 33},
	month = {Aug},
	pages = {184-189},
	type = {Article},
	abstract = {From a mixture of cis- and trans-Ru(SH)(2)(dppm)(2) (4), formed from reaction of H2S with trans-Ru(H)Cl(dppm)(2) (2), a crystal of cis-4 has been isolated and its structure determined by X-ray analysis. The mercapto protons are located within the centrosymmetric structure, although the S-atoms are partially disordered (S - H similar to 1.06 Angstrom). The thiolate complexes, trans-Ru(H)SR(dppm)(2) (R = Ph, 5a; C6F5, 5b), have been isolated from reaction of trans-2 with 1 equiv. of RSH. trans-Ru(H)SH(dppm)(2) (3) has been isolated from reaction of H2S with a mixture of cis- and trans-Ru(H)(2)(dppm)(2) (1). An improved synthetic route for 1 is presented. (C) 2001 Elsevier Science B.V. All rights reserved.},
	keywords = {CHEMISTRY, COMPLEXES, crystal structures, CRYSTAL-STRUCTURE, DERIVATIVES, DINUCLEAR RHODIUM COMPLEXES, hydrido complexes, HYDROFORMYLATION, MECHANISMS, MERCAPTO, PHOSPHINE COMPLEXES, ruthenium complexes, RUTHENIUM(II), THIOLATO, WATER},
	isbn = {0020-1693},
	url = {<Go to ISI>://000170965000025},
	author = {Khorasani-Motlagh, M. and Safari, N. and Pamplin, C. B. and Patrick, B. O. and James, Brian R.}
}
@article {5065,
	title = {Characterization of synthetic Cs-Li cancrinite grown in a butanediol-water system: An NMR spectroscopic and Rietveld refinement study},
	journal = {American Mineralogist},
	volume = {86},
	number = {7-8},
	year = {2001},
	note = {ISI Document Delivery No.: 451PGTimes Cited: 8Cited Reference Count: 22},
	month = {Jul-Aug},
	pages = {881-888},
	type = {Article},
	abstract = {A Cs-Li-analogue of cancrinite has been synthesized from tetraethoxysilane and Al sec-butoxide in a mixture of 1,3-butanediol and water. Ca and Li were introduced as hydroxides. Synthesis was done at autogeneous pressure and T = 473 K for 100 h. The synthesis product was characterized by powder X-ray diffraction, IR-spectroscopy, thermogravimetry, H-1, Li-6, Li-7,Cs-133, Al-27, Si-29 MAS, and {H-1} C-13 CPMAS NMR and Rietveld structure refinement. Si-29 MAS NMR and Al-27 MAS NMR spectroscopy show a framework with strong alternating order of the SiO4 and AlO4 tetrahedra and an Si/Al ratio of one. Li-6 MAS NMR suggests the existence of two different signals that cannot be resolved in the Li-7 MAS NMR spectrum. Cs-133 MAS NMR shows only a single resonance. The thermogravimetric analysis reveals a continuous weight loss in several steps, indicating the evaporation of water of hydration. IR spectroscopy shows evidence for hydroxyl anions and water included in the cancrinite framework. The Rietveld structure refinement is consistent with a completely ordered alumosilicate framework with an Si/Al ratio of one and the presence of both molecular water and hydroxyl groups in the hexagonal channel, a result different from the previously published structure. Cs is exclusively located in the epsilon -cages; Li ions are located in the channels and are coordinated by water molecules.},
	keywords = {BOND-VALENCE PARAMETERS, CRYSTAL-STRUCTURE, MAS NMR, minerals},
	isbn = {0003-004X},
	url = {<Go to ISI>://000169810000011},
	author = {Fechtelkord, M. and Posnatzki, B. and Buhl, J. C. and Fyfe, C. A. and Groat, L. A. and Raudsepp, M.}
}
@article {5115,
	title = {Complexes of phosphine-phenolate ligands with the [Re=O](3+) and [Re(HNNC5H4N)(NNC5H4N)](2+) cores},
	journal = {Journal of the Chemical Society-Dalton Transactions},
	number = {20},
	year = {2001},
	note = {ISI Document Delivery No.: 487VFTimes Cited: 5Cited Reference Count: 62},
	pages = {3015-3024},
	type = {Article},
	abstract = {{Complexes incorporating the [Re=O](3+) core have been synthesised with ligands containing the new methyl substituted phosphine-phenolate PO and PO2 donor sets, (2-hydroxy-5-methylphenyl) diphenylphosphine (H(MePO)) and bis(2-hydroxy-5-methylphenyl) phenylphosphine (H-2(Me2PO2)). The analogous tert-butyl ligands, (5-tert-butyl-2-hydroxyphenyl)diphenylphosphine (H(t-BuPO)) and bis(5-tert-butyl-2-hydroxyphenyl) phenylphosphine (H-2 (t-Bu2PO2)), were also prepared. Reaction of either mer-[ReOCl3 (PPh3)(2)] or [NH4][ReO4] in CH3OH with H(MePO) led to formation of [ReOCl(MePO)(2)] (1) in good yield. Reaction of [NH4][ReO4] with H-2 (Me2PO2) in CH3OH afforded [ReO(Me2PO2)(H(Me2PO2))] (2), also in good yield. X-Ray crystallographic analyses of 1 and 2 demonstrated that both complexes are neutral and octahedral, and contain the oxo moiety. Two complexes have been structurally characterised from the reaction of (o-hydroxyphenyl) diphenylphosphine (HPO) with [Re(Hhypy)(hypyH)Cl-3]: [Re(Hhypy)(hypy)(PO)(HPO)]Cl (3) and [ReCl(Hypy)(hypy)(PO)] (4) (hypy = NNC5H4N},
	keywords = {CHELATE COMPLEXES, COORDINATION-COMPOUNDS, CRYSTAL-STRUCTURE, IIB/IIIA-RECEPTOR ANTAGONIST, MOLECULAR-STRUCTURES, rhenium, STRUCTURE, TC-99M, TECHNETIUM RADIOPHARMACEUTICALS, WATER-SOLUBLE PHOSPHINES, X-RAY},
	isbn = {1472-7773},
	url = {<Go to ISI>://000171899200011},
	author = {Kovacs, M. S. and Hein, P. and Sattarzadeh, S. and Patrick, B. O. and Emge, T. J. and Orvig, Chris}
}
@article {5209,
	title = {Coordination chemistry of vanadium in metallopharmaceutical candidate compounds},
	journal = {Coordination Chemistry Reviews},
	volume = {219},
	year = {2001},
	note = {ISI Document Delivery No.: 478JQTimes Cited: 138Cited Reference Count: 119},
	month = {Sep-Oct},
	pages = {1033-1053},
	type = {Review},
	abstract = {The discovery of vanadium{\textquoteright}s insulin-like behaviour in vitro, and later of the orally available glucose- and lipid-lowering capability of these same compounds in vivo, has stimulated renewed interest in vanadium coordination chemistry. Besides the anti-diabetic effects for which it is now so well known, vanadium also exhibits a number of other therapeutic effects including anti-tumour and anti-inflammatory activities. In this review, emphasis will be on the most recent developments in the coordination chemistry of vanadium(III), (IV) and (V), as related to development of these compounds for pharmaceutical use. How best to measure bioactivity and the pharmaceutical relevance of accompanying increased oxidative stress will also be considered. (C) 2001 Elsevier Science B.V. All rights reserved.},
	keywords = {bioactivity, BIOLOGICAL-ACTIVITY, CANCER, CRYSTAL-STRUCTURE, Diabetes mellitus, DIABETES-MELLITUS, ESEEM, INSULIN-LIKE ACTIVITIES, OXIDATIVE STRESS, OXOVANADIUM(IV) COMPLEXES, OXYGEN-BRIDGED DIMER, PEROXO HETEROLIGAND VANADATES(V), pharmaceutical agents, RAY, SPECTROSCOPIC PROPERTIES, structure-activity relationships, TYROSINE PHOSPHORYLATION, vanadium complexes},
	isbn = {0010-8545},
	url = {<Go to ISI>://000171343600035},
	author = {Thompson, K. H. and Orvig, Chris}
}
@article {5053,
	title = {Detection of noncovalent complex between alpha-amylase and its microbial inhibitor tendamistat by electrospray ionization mass spectrometry},
	journal = {Rapid Communications in Mass Spectrometry},
	volume = {15},
	number = {2},
	year = {2001},
	note = {ISI Document Delivery No.: 396KYTimes Cited: 11Cited Reference Count: 58},
	pages = {89-96},
	type = {Article},
	abstract = {Electrospray ionization mass spectrometry (ESI-MS) is now routinely used for detection of noncovalent complexes. However, detection of noncovalent protein-protein complexes is not a widespread practice and still produces some challenges for mass spectrometrists. Here we demonstrate the detection of a noncovalent protein-protein complex between alpha -amylase and its microbial inhibitor tendamistat using ESI-MS. Crude porcine pancreatic alpha -amylase was purified using a glycogen precipitation method. Noncovalent complexes between porcine pancreatic alpha -amylase and its microbial inhibitor tendamistat are probed and detected using ESI-MS. The atmosphere-vacuum ESI conditions along with solution conditions and the ratio of inhibitor over enzyme strongly affect the detection of noncovalent complexes in the gas phase. ESI mass spectra of alpha -amylase at pH 7 exhibited charge states significantly lower than that reported previously, which is indicative of a native protein conformation necessary to produce a noncovalent complex. Detection of noncovalent complexes in the gas phase suggests that further use of conventional biochemical approaches to provide a qualitative, and in some cases even quantitative, characterization of equilibria of noncovalent complexes in solution is possible. Copyright (C) 2001 John Wiley \& Sons, Ltd.},
	keywords = {ANALYTICAL ULTRACENTRIFUGATION, BINDING, CRYSTAL-STRUCTURE, CYTOCHROME-C, GAS-PHASE, HEME, MYOGLOBIN, PROBING CONFORMATIONAL-CHANGES, PROTEIN PROTEINASE-INHIBITORS, RECOGNITION SITES},
	isbn = {0951-4198},
	url = {<Go to ISI>://000166636600003},
	author = {Douglas, D. J. and Collings, B. A. and Numao, S. and Nesatyy, V. J.}
}
@article {5196,
	title = {The elusive 16-electron Cp*M(NO)Me-2 (M = Mo, W) complexes and their spontaneous conversions to Cp*M(NMe)(O)Me isomers},
	journal = {Journal of the American Chemical Society},
	volume = {123},
	number = {26},
	year = {2001},
	note = {ISI Document Delivery No.: 447QPTimes Cited: 17Cited Reference Count: 115},
	month = {Jul},
	pages = {6272-6282},
	type = {Review},
	abstract = {Treatment of [Cp*Mo(NO)Cl mu(-Cl)](2) with magnesium (Me2Mg.dioxane, MeMgCl) or aluminum (Me3Al) methylating reagents affords the known compound [Cp*Mo(NO)Me(mu 0Cl)](2) (1). Similar treatment of the dicbloro precursor with MeLi in ethereal solvents generates an equimolar mixture of 1 and the trimethyl "ate" complex, Cp*MoMe3(NO-Li(OEt2)(n)). (2-Et2O). Reaction of 2-Et2O with a source of [Me](+) forms Cp*MoMe3(dropN-OMe) (3), a rare terminal alkoxylimido complex. Metathesis of the chloro ligands of [Cp*Mo-(NO)Cl(mu -Cl)](2) by MeLi in toluene at low temperatures produces the target dimethyl complex. Cp*Mo(NO)-Me-2 (4). in 75\% isolated yield. In solution, 4 is predominantly a monomeric species, whereas in the solid state it adopts a dimeric or oligomeric structure containing isonitrosyl bridges as indicated by IR and N-15/C-13 NMR spectroscopies. Hydrolysis of 4 affords meso- and rac-[Cp*Mo(NO)Me](2)(mu -O)(5), and the reactions of 4 with a range of Lewis bases. L, to form the 18e adducts Cp*Mo(NO)(L)Me-2 (e.g., Cp*Mo(NO)(PMe3)Me-2 (7)), have established it to be the most electrophilic complex of its family. Acidolysis of the methyl groups of 4 is also facile. Most notably, 4 is thermally unstable in solution and undergoes isomerization via nitrosyl N-O bond cleavage to its oxo(imido) form, Cp*Mo(NMe)(O)Me (11), which is isolable from the final reaction mixture as the mu -oxo-bridged adduct formed by 4 and 11, i.e., Cp*Mo(NO)Me2(mu -O)Cp*Mo(NMe)Me (4 <{\textendash} 11). The rate of this isomerization is significantly faster for the tungsten dimethyl complex; hence, Cp*W(NO)- (NO)Me-2 (12) is not isolable free of a supporting donor interaction and can only be isolated as Cp*W(NO)-Me-2(mu -O)Cp*W(NMe)Me (12 <{\textendash} 13) or Cp*W(NO)Me-2(PMe3) (14) adducts.},
	keywords = {ALPHA-OLEFINS, COORDINATED NITRIC-OXIDE, CRYSTAL-STRUCTURE, EFFECTIVE CORE POTENTIALS, INSERTION, LIGAND REDISTRIBUTION REACTIONS, MIGRATORY, MOLECULAR CALCULATIONS, OLEFIN POLYMERIZATION, ORGANOMETALLIC NITROSYL CHEMISTRY, POLYMERIZATION CATALYSTS},
	isbn = {0002-7863},
	url = {<Go to ISI>://000169584200009},
	author = {Sharp, W. B. and Daff, P. J. and McNeil, W. S. and Legzdins,Peter}
}
@article {5073,
	title = {Formation and reactivity of the zirconium ethylene complexes [eta(5)-C5H3-1,3-(SiMe2CH2PR2)(2)]Zr(eta(2)-CH2=CH2)(X) (R = Me, Pr (i); X = Br, C5H5)},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {79},
	number = {5-6},
	year = {2001},
	note = {ISI Document Delivery No.: 456EVTimes Cited: 5Cited Reference Count: 36},
	month = {May},
	pages = {536-545},
	type = {Article},
	abstract = {{The formation and reactivity of the zirconium ethylene complexes (R)[P2Cp]Zr(eta (2)-CH2=CH2)(X) (2a: R = Pr-i},
	keywords = {ALKENE, ALKYNE, CARBONYL, CHEMISTRY, CRYSTAL-STRUCTURE, cyclopentadienyl phosphine, DERIVATIVES, LIGANDS, metallocyclopropane, metals, NORBORNENE, SIME3, TITANIUM, ZIRCONIUM},
	isbn = {0008-4042},
	url = {<Go to ISI>://000170070900011},
	author = {Fryzuk,Michael D. and Duval, P. B. and Rettig, S. J.}
}
@article {5148,
	title = {Insulin-enhancing vanadium(III) complexes},
	journal = {Inorganic Chemistry},
	volume = {40},
	number = {18},
	year = {2001},
	note = {ISI Document Delivery No.: 466JNTimes Cited: 67Cited Reference Count: 54},
	month = {Aug},
	pages = {4686-4690},
	type = {Article},
	abstract = {Simple, high-yield, large-scale syntheses of the V(III) complexes tris(maltolato)vanadium(III), V(ma)(3), tris-(ethyhmaltolato)vanadium(HI), V(ema)(3), tris(kojato)vanadium(III) monchydrate, V(koj)(3).H2O, and tris(1,2-dimethyl-3-hydroxy-4-pyridinonato)vanadium(III) dodecahydrate, V(dpp)(3). 12H(2)O, are described; the characterization of these complexes by various methods and, in the case of V(dpp)(3). 12H(2)O, by an X-ray crystal structure determination, is reported. The ability of these complexes to normalize glucose levels in the STZ-diabetic rat model has been examined and compared with that of the benchmark compound BMOV (bis(maltolato)oxovanadium(IV)), an established insulin-enhancing agent.},
	keywords = {AGENT, aluminum, BIS(MALTOLATO)OXOVANADIUM(IV), CHELATE COMPLEXES, COORDINATION CHEMISTRY, CRYSTAL-STRUCTURE, DIABETIC RATS, gallium, GLUCOSE, LIGANDS, MIMETIC},
	isbn = {0020-1669},
	url = {<Go to ISI>://000170642600028},
	author = {Melchior, M. and Rettig, S. J. and Liboiron, B. D. and Thompson, K. H. and Yuen, V. G. and McNeill, J. H. and Orvig, Chris}
}
@article {5080,
	title = {Location of the fluoride ion in tetrapropylammonium fluoride silicalite-1 determined by H-1/F-19/Si-29 triple resonance CP, REDOR, and TEDOR NMR experiments},
	journal = {Journal of the American Chemical Society},
	volume = {123},
	number = {28},
	year = {2001},
	note = {ISI Document Delivery No.: 451LFTimes Cited: 48Cited Reference Count: 50},
	month = {Jul},
	pages = {6882-6891},
	type = {Article},
	abstract = {The location of the fluoride ion in tetrapropylammonium fluoride silicalite-1 ([TPA]-F-[Si-MFI]), an as-synthesized siliceous zeolite with the MEI topology, has been unambiguously determined using solid-state NMR experiments alone. With the H-1 {\textendash}> Si-29 CP-INADEQUATE experiment, the 12 peaks in the highly resolved Si-29 MAS NMR spectrum of [TPA]-F-[Si-MFI] were assigned. Using these peak assignments it was possible to perform H-1/F-19/Si-29 triple resonance CP, REDOR, and TEDOR experiments to measure F-Si distances and thus locate the fluoride ion. It is covalently bonded to Si-9 in the [4(1)5(2)6(2)] cage of the zeolite framework and exchanges between two "mirror-related" Si-9 sites, making them equivalent on the NMR time scale. The importance of this result and the general applicability of the approach are discussed.},
	keywords = {3-DIMENSIONAL BONDING CONNECTIVITIES, 5-COORDINATE, CONTAINING OCTADECASIL, CROSS-POLARIZATION NMR, CRYSTAL-STRUCTURE, DETERMINATIONS, DISTANCE, MAS-NMR, NATURAL-ABUNDANCE, PROTON-ENHANCED NMR, SILICON, SOLID-STATE SI-29},
	isbn = {0002-7863},
	url = {<Go to ISI>://000169803000018},
	author = {Fyfe, C. A. and Brouwer, D. H. and Lewis, A. R. and Chezeau, J. M.}
}
@article {5075,
	title = {New mode of coordination for the dinitrogen ligand: Formation, bonding, and reactivity of a tantalum complex with a bridging N-2 unit that is both side-on and end-on},
	journal = {Journal of the American Chemical Society},
	volume = {123},
	number = {17},
	year = {2001},
	note = {ISI Document Delivery No.: 428CCTimes Cited: 84Cited Reference Count: 91},
	month = {May},
	pages = {3960-3973},
	type = {Article},
	abstract = {The reaction of a mixture of 1 equiv of PhPH2 and 2 equiv of PhNHSiMe2CH2Cl with 4 equiv of (BuLi)-Li-n followed by the addition of THF generates the lithiated ligand precursor [NPN]Li-2. (TKF)2(where [NPN] = PhP(CH2SiMe2NPh)(2)). The reaction of [NPN]Li-2. (THF)(2) with TaMe3Cl2 produces [NPN]TaMe3, which reacts under HZ to yield the diamagnetic dinuclear Ta(IV! tetrahydride ([NPN]Ta)(2)(mu -H)4 This hydride reacts with N-2 with the loss of H-2 to produce ([NPN]Ta(mu -H))(2)(mu-eta (1):eta (2)-N-2), which was characterized both in solution and in the solid state, and contains strongly activated Nz bound in the unprecedented side-on end-on dinuclear bonding mode. A density functional theory calculation on the model complex [(H3P)(H2N)(2)Ta(mu -H)](2)-mu-eta (1):eta (2)-N-2) provides insight into the molecular orbital interactions involved in the side-on end-on bonding mode of dinitrogen. The reaction of ([NPN]Ta(mu -H))(2)(mu-eta (1):eta (2)-N-2) with propene generates the end-on bound dinitrogen complex ([NPN]Ta(CH2CH2CH3))(2)(mu-eta (1):eta (1)-N-2), and the reaction of [NPN]Li-2. (THF)(2) with NbCl3-(DME) generates the end-on bound dinitrogen complex ([NPN]NbCl)(2)(mu-eta (1):eta (1)-N-2). These two end-on bound dinitrogen complexes provide evidence that the bridging hydride ligands are responsible for the unusual bonding mode of dinitrogen in ([NPN]Ta(mu -H))(2)(mu-eta (1):eta (2)-N-2). The dinitrogen moiety in the side-on end-on mode is amenable to functionalization; the reaction of ([NPN]Ta(mu -H))(2)(mu-eta (1):eta (2)-N-2) with PhCH2Br results in C-N bond formation to yield [NPN]Ta(mu-eta (1):eta (2)-N2CH2Ph)(mu -H)(2)TaBr[NPN]. Nitrogen-15 NMR spectral data an provided for all the tantalum-dinitrogen complexes and derivatives described.},
	keywords = {CHEMISTRY, CLEAVAGE, COMPOUND, CRYSTAL-STRUCTURE, MOLECULAR-STRUCTURES, NITROGEN-FIXATION, {ACTIVATION},
	isbn = {0002-7863},
	url = {<Go to ISI>://000168442700013},
	author = {Fryzuk,Michael D. and Johnson, S. A. and Patrick, B. O. and Albinati, A. and Mason, S. A. and Koetzle, T. F.}
}
@article {5157,
	title = {The nitrous oxide complex, RuCl2(eta(1)-N2O)(P-N)(PPh3) (P-N = [o-(N,N-dimethylamino)phenyl]diphenylphosphine); Low temperature conversion of N2O to N-2 and O-2},
	journal = {Journal of the American Chemical Society},
	volume = {123},
	number = {35},
	year = {2001},
	note = {ISI Document Delivery No.: 467XNTimes Cited: 22Cited Reference Count: 62},
	month = {Sep},
	pages = {8596-8597},
	type = {Article},
	keywords = {3-COORDINATE MOLYBDENUM(III), ADSORBED N2O, BOND, CRYSTAL-STRUCTURE, DECOMPOSITION, LEWIS ACIDITY, N-15 NMR, OXYGEN-ATOM TRANSFER, REACTIVITY, REDUCTASE},
	isbn = {0002-7863},
	url = {<Go to ISI>://000170729200019},
	author = {Pamplin, C. B. and Ma, E. S. F. and Safari, N. and Rettig, S. J. and James, Brian R.}
}
@article {5197,
	title = {O-protonation of a terminal nitrosyl group to form an eta(1)-hydroxylimido ligand},
	journal = {Journal of the American Chemical Society},
	volume = {123},
	number = {33},
	year = {2001},
	note = {ISI Document Delivery No.: 463TWTimes Cited: 9Cited Reference Count: 26},
	month = {Aug},
	pages = {8143-8144},
	type = {Article},
	keywords = {CHEMISTRY, COMPLEXES, CRYSTAL-STRUCTURE, METAL, MOLYBDENUM, NITRIC-OXIDE, REACTIVITY, REDUCTION, TUNGSTEN},
	isbn = {0002-7863},
	url = {<Go to ISI>://000170494200032},
	author = {Sharp, W. B. and Legzdins,Peter and Patrick, B. O.}
}
@article {5072,
	title = {Synthesis and structure of the hafnium alkylidene complex [P2Cp]Hf=CHPh(Cl) ([P2Cp] = (eta(5)-C5H3-1,3-(SiMe2CH2PPr2i)(2)))},
	journal = {Organometallics},
	volume = {20},
	number = {8},
	year = {2001},
	note = {ISI Document Delivery No.: 427FWTimes Cited: 14Cited Reference Count: 16},
	month = {Apr},
	pages = {1608-1613},
	type = {Article},
	abstract = {The synthesis, structural characterization, and solution behavior of hafnium complexes stabilized by the potentially tridentate ancillary ligand [P2Cp] ([P2Cp] = (eta (5)-C5H3-1,3-(SiMe2CH2PPr2i)(2))) are described. The reaction of [P2Cp]Li with HfCl4(THT)(2) produces the hafnium trichloride complex [P2Cp]HfCl3 (1), the structure of which was determined by X-ray crystallography. Trichloride 1 is isostructural with the analogous zirconium complex [P2Cp]ZrCl3 (2) in the solid state, but in solution 1 exists as an equilibrium mixture of two isomers that interconvert by fluxional phosphine coordination. Treatment of 1 with 2 equiv of KCH2Ph, followed by thermolysis, yields the first structurally characterized hafnium alkylidene complex, [P2Cp]Hf=CHPh(Cl) (3). A crystal structure determination obtained for 3 shows this complex to be isostructural with the zirconium analogue [P2Cp]Zr=CHR(Cl) (4). The primary difference between the Hf systems presented here and the previously studied Zr analogues is that metal-ligand bonding is stronger in the former, which accounts for shorter bond distances, a greater degree of chemically inertness, and the divergent solution behaviors observed for the trichloride derivatives 1 and 2.},
	keywords = {BENZYL, CRYSTAL-STRUCTURE, DERIVATIVES, MOLECULAR-STRUCTURE, PH, SIME3, trichloride, ZIRCONIUM},
	isbn = {0276-7333},
	url = {<Go to ISI>://000168395000016},
	author = {Fryzuk,Michael D. and Duval, P. B. and Patrick, B. O. and Rettig, S. J.}
}
@article {5128,
	title = {Synthesis, structure and magnetic properties of 3D interpenetrating nets of M(pyrazine)[Au(CN)(2)](2) (M = Cu, Ni, Co) supported by aurophilic interactions},
	journal = {Polyhedron},
	volume = {20},
	number = {11-14},
	year = {2001},
	note = {ISI Document Delivery No.: 451LWTimes Cited: 46Cited Reference Count: 517th International Conference on Molecule-Base Magnets (ICMM 2000)SEP 16-21, 2000SAN ANTONIO, TX},
	month = {May},
	pages = {1247-1254},
	type = {Proceedings Paper},
	abstract = {{New inorganic coordination polymers of the form M(pyrazine)[Au(CN)(2)](2) (M = Cu (1); Ni (2); Co (3)) have been prepared and the copper(II) analogue structurally characterised. The X-ray analysis revealed two 3D interpenetrating alpha -polonium networks consisting of 1D chains of Cu-pyrazine units connected by [Au(CN)(2)] bridges. The two networks are connected via weak aurophilic interactions (Au-Au: 3.4729(2) Angstrom). Thermogravimetric analysis of all three compounds indicated the robust nature of these 3D systems, with decomposition beginning at 260 (1), 406 (2) and 360 degreesC (3). The magnetic susceptibility of 1 shows a maximum in chi (M) at 5.0 K; these data could be fitted to the theoretical expressions for either a 1D or a 2D Heisenberg antiferromagnetic array (J = -2.74 cm(-1)},
	keywords = {ANTIFERROMAGNET, aurophilic, COMPLEXES, COMPONENT, coordination polymers, CRYSTAL-STRUCTURE, Cu(II) complexes, cyanide ligands, DICYANOAURATE(I), FERROMAGNET, interactions, interpenetration, MAGNETIC PROPERTIES, NITRATE, NITROXIDE, Pyrazine},
	isbn = {0277-5387},
	url = {<Go to ISI>://000169804400021},
	author = {Leznoff, D. B. and Xue, B. Y. and Stevens, C. L. and Storr, A. and Thompson, R. C. and Patrick, B. O.}
}
@article {5128,
	title = {Synthesis, structure and magnetic properties of 3D interpenetrating nets of M(pyrazine)[Au(CN)(2)](2) (M = Cu, Ni, Co) supported by aurophilic interactions},
	journal = {Polyhedron},
	volume = {20},
	number = {11-14},
	year = {2001},
	note = {ISI Document Delivery No.: 451LWTimes Cited: 46Cited Reference Count: 517th International Conference on Molecule-Base Magnets (ICMM 2000)SEP 16-21, 2000SAN ANTONIO, TX},
	month = {May},
	pages = {1247-1254},
	type = {Proceedings Paper},
	abstract = {{New inorganic coordination polymers of the form M(pyrazine)[Au(CN)(2)](2) (M = Cu (1); Ni (2); Co (3)) have been prepared and the copper(II) analogue structurally characterised. The X-ray analysis revealed two 3D interpenetrating alpha -polonium networks consisting of 1D chains of Cu-pyrazine units connected by [Au(CN)(2)] bridges. The two networks are connected via weak aurophilic interactions (Au-Au: 3.4729(2) Angstrom). Thermogravimetric analysis of all three compounds indicated the robust nature of these 3D systems, with decomposition beginning at 260 (1), 406 (2) and 360 degreesC (3). The magnetic susceptibility of 1 shows a maximum in chi (M) at 5.0 K; these data could be fitted to the theoretical expressions for either a 1D or a 2D Heisenberg antiferromagnetic array (J = -2.74 cm(-1)},
	keywords = {ANTIFERROMAGNET, aurophilic, COMPLEXES, COMPONENT, coordination polymers, CRYSTAL-STRUCTURE, Cu(II) complexes, cyanide ligands, DICYANOAURATE(I), FERROMAGNET, interactions, interpenetration, MAGNETIC PROPERTIES, NITRATE, NITROXIDE, Pyrazine},
	isbn = {0277-5387},
	url = {<Go to ISI>://000169804400021},
	author = {Leznoff, D. B. and Xue, B. Y. and Stevens, C. L. and Storr, A. and Thompson, R. C. and Patrick, B. O.}
}
@article {5078,
	title = {Synthesis, structure, and reactivity of diamidophosphine complexes of yttrium and the lanthanides},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {79},
	number = {7},
	year = {2001},
	note = {ISI Document Delivery No.: 473RETimes Cited: 10Cited Reference Count: 17},
	month = {Jul},
	pages = {1194-1200},
	type = {Article},
	abstract = {The reaction of the dilithiodiamidophosphine ligand precursor PhP(CH2SiMe2NPh)(2)Li-2(THF)(2)([NPN]Li-2(THF)(2)) with LnCl(3)(THF)(3) (Ln = Y, Sm, Ho. Yb. Lu; THF = tetrahydrofuran) in refluxing toluene generates the mononuclear complexes [NPN]LnCI(THF) in good yield. The molecular structures have been shown to be five-coordinate in the solid state and in solution. Attempts to prepare alkyl derivatives have only met with partial success; the reaction of MeMgCl with [NPN]YCl(THF) generates the partially characterized mixed-metal derivative [NPN]YMe2MgCl. The reaction with LiAlH4 results in complete ligand exchange and the formation of the tetranuclear lithium aluminum hydride derivative ([NPN]AlH2Li(THF))(2). Reduction of the lutetium derivative with KC8 and naphthalene generated the dinuclear naphthalene-bridged species {[NPN]Lu}(2)(mu-eta (4):eta (4)-C10H8) wherein each Lu centre engages in eta (4)-coordination to opposite sides of the arene moiety. X-ray crystallography was used to characterize the four complexes.},
	keywords = {aluminum, BRIDGING N-2 UNIT, CATALYSTS, CRYSTAL-STRUCTURE, DINITROGEN, F-BLOCK METALS, lanthanides, LIGAND, lithium, mixed-donor ligands, NAPHTHALENE, OLEFIN POLYMERIZATION, SIDE-ON, TERTIARY PHOSPHINE COMPLEXES, YTTRIUM},
	isbn = {0008-4042},
	url = {<Go to ISI>://000171061200016},
	author = {Fryzuk,Michael D. and Yu, P. H. and Patrick, B. O.}
}
@article {4744,
	title = {2-Pyrrolythiones as monoanionic bidentate N,S-chelators: Synthesis and molecular structure of 2-pyrrolylthionato complexes of nickel(II), cobalt(III), and mercury(II)},
	journal = {Inorganic Chemistry},
	volume = {39},
	number = {26},
	year = {2000},
	note = {ISI Document Delivery No.: 385TFTimes Cited: 35Cited Reference Count: 55},
	month = {Dec},
	pages = {6100-6106},
	type = {Article},
	abstract = {{The metal-chelating ability of 2-pyrrolylthiones is described. The readily available ligands di-2-pyrrolyl thione (6), 2-thioncetylpyrrole (10), and 2-thiobenzoylpyrrole (11) constitute examples of monoanionic ligands with N,S-donor atom sets, although di-2-pyrrolyl thione (6) could theoretically also achieve chelation through an N,N-donor set. A square planar Ni(II)) complex, 14, an octahedral Co(III) complex, 18, and a tetrahedral Hg(II) complex, 17, with the di-2-pyrrolyl thionato chelate have been prepared, and their structures have been characterized by H-1 NMR, UV-vis, MS, IR, elemental analysis, and single-crystal X-ray difraction. Crystal data for 14: C18H14N4N4-NiS2.0.28H(2)O, NiS2.0.28H(2)O, trigonal, R (3) over bar, a 18.467(1) Angstrom},
	keywords = {BLUE COPPER PROTEINS, CHEMISTRY, CRYSTAL-STRUCTURE, CU(II), LIGANDS, PRECURSORS, SULFUR},
	isbn = {0020-1669},
	url = {<Go to ISI>://000166019200030},
	author = {Bruckner, C. and Rettig, S. J. and Dolphin, D.}
}
@article {4962,
	title = {Bis(carbonyl)platinum(II) derivatives: Molecular structure of cis-Pt(CO)(2)(SO3F)(2), complete vibrational analysis of cis-Pt(CO)(2)Cl-2, and attempted synthesis of cis-Pt(CO)(2)F-2},
	journal = {Inorganic Chemistry},
	volume = {39},
	number = {20},
	year = {2000},
	note = {ISI Document Delivery No.: 361DNTimes Cited: 12Cited Reference Count: 91},
	month = {Oct},
	pages = {4424-4432},
	type = {Article},
	abstract = {{As part of a comprehensive study of square planar palladium(II) and platinum(II) carbonyl derivatives, the molecular structure of cis-Pt(CO)(2)(SO3F)(2), the complete vibrational spectra of cis-Pt(CO)(2)Cl-2 and the attempted synthesis of cis-Pt(CO)(2)F-2 an reported. cis-Pt(CO)(2)(SO3F)(2) is isostructural with cis-Pd(CO) (2)(SO3F)(2) and crystallizes in the monoclinic space group P2(1)/n (no. 14). Crystal data: a = 7.419(1) Angstrom; b = 14.751(2) Angstrom; c 8.634(1) Angstrom; beta = 89.95(1)degrees; V = 934.9(2) Angstrom(3); Z = 4; T = 300 K; R [F-o > 4 sigma(F-o)] = 0.0447 and wR2 = 0.1097. The internal bond parameters of the cis-Pt(CO)(2)(SO3F)(2) are compared to those of cis-Pd(CO)(2)(SO3F)(2), cis-Pt(CO)(2)Cl-2, and [M(CO)(4)](2+)},
	keywords = {CARBONYL-COMPLEXES, CRYSTAL-STRUCTURE, FLUOROSULFATE, HALIDE LIGANDS, INORGANIC, LATE TRANSITION-ELEMENTS, NOBLE-METALS, OLIGOMERS, platinum, SPECTRA, UNDECAFLUORODIANTIMONATE(V)},
	isbn = {0020-1669},
	url = {<Go to ISI>://000089707500008},
	author = {von Ahsen, B. and Wartchow, R. and Willner, H. and Jonas, V. and Aubke, F.}
}
@article {4751,
	title = {The first structure of UDP-glucose dehydrogenase reveals the catalytic residues necessary for the two-fold oxidation},
	journal = {Biochemistry},
	volume = {39},
	number = {23},
	year = {2000},
	note = {ISI Document Delivery No.: 324PRTimes Cited: 62Cited Reference Count: 49},
	month = {Jun},
	pages = {7012-7023},
	type = {Article},
	abstract = {Bacterial UDP-glucose dehydrogenase (UDPGlcDH) is essential for formation of the antiphagocytic capsule that protects many virulent bacteria such as Streptococcus pyrogenes and Streptococcus pneumoniae type 3 from the host{\textquoteright}s immune system. We have determined the X-ray structures of both native and Cys260Ser UDPGlcDH from S. pyogenes (74\% similarity to S. pneumoniae) in ternary complexes with UDP-xylose/NAD(+) and UDP-glucuronic acid/NAD(H), respectively. The 402 residue homodimeric UDPGlcDH is composed of an N-terminal NAD(+) dinucleotide binding domain and a C-terminal UDP-sugar binding domain connected by a long (48 Angstrom) central alpha-helix. The first 290 residues of UDPGlcDH share structural homology with 6-phosphogluconate dehydrogenase, including conservation of an active site lysine and asparagine that are implicated in the enzyme mechanism. Also proposed to participate in the catalytic mechanism are a threonine and a glutamate that hydrogen bond to a conserved active site water molecule suitably positioned for general acid/base catalysis.},
	keywords = {alanine, ALIGNMENT, CRYSTAL-STRUCTURE, ESCHERICHIA-COLI, GROUP-A STREPTOCOCCI, INSIGHTS, MECHANISM, MOLECULAR CHARACTERIZATION, REDUCTASE, SUBSTRATE-BINDING},
	isbn = {0006-2960},
	url = {<Go to ISI>://000087631000031},
	author = {Campbell, R. E. and Mosimann, S. C. and van de Rijn, I. and Tanner, M. E. and Strynadka, N. C. J.}
}
@article {4927,
	title = {Homotrinuclear lanthanide(III) arrays: Assembly of and conversion from mononuclear and dinuclear units},
	journal = {Inorganic Chemistry},
	volume = {39},
	number = {3},
	year = {2000},
	note = {ISI Document Delivery No.: 283FQTimes Cited: 48Cited Reference Count: 54},
	month = {Feb},
	pages = {496-507},
	type = {Article},
	abstract = {The reactions of potentially hexadentate H(2)bbpen (N,N{\textquoteright}-bis(2-hydroxybenzyl)-N,N{\textquoteright}-bis(2-pyridylmethyl)ethylenediamine, H(2)L1), H-2(Cl)bbpen (N,N{\textquoteright}-bis(5-chloro-2-hydroxybenzyl)-N,N{\textquoteright}-bis(2-pyridylmethyl)ethylene-di amine. H(2)L2), and H-2(Br)bbpen (N,N{\textquoteright}-bis(5-bromo-2-hydroxybenzyl)-N,N{\textquoteright}-bis(2-pyridylmethyl)ethylenediam ine H(2)L3) with Ln(III) ions in the presence of a base in methanol resulted in three types of complexes: neutral mononuclear ([LnL(NO3)]), monocationic dinuclear ([Ln(2)Ln(2)(NO3)](+)), and monocationic trinuclear ([Ln(3)L(2)(X)(n)-(CH3OH)](+)) when X = bridging (CH3COO-) and bidentate ligands (NO3-, CH3COO-, ClO4-) and n is 4. The formation of a complex depends on the bose (hydroxide or acetate) and the size of the respective Ln(III) ion. All complexes were characterized by infrared spectroscopy, mass spectrometry, and elemental analyses; in some cases, X-ray diffraction studies were also performed. The structures of the neutral mononuclear [Yb(L1)(NO3)], dinuclear [Pr-2(L1)(2)(NO3)(H2O)]NO3.CH3OH and [Gd-2(L1)(2)(NO3)]NO3.CH3OH.3H(2)O, and trinuclear [Gd-3(L3)(2)(CH3- COO)(4)(CH3OH)]ClO4.5CH(3)OH and [Sm-3(L1)(2)(CH3COO)(2)(NO3)(2)(CH3OH)]NO3.CH3OH.3.65H(2)O were solved by X-ray crystallography. The [LnL(NO3)] or [Ln(2)L(2)(NO3)](+) complexes could be converted to [Ln(3)L(2)(X)(n)(CH3-OH)](+) complexes by the addition of 1 equiv of a Ln(III) salt and 2-3 equiv of sodium acetate in methanol. The trinuclear complexes were found to be the most stable of the three types, which was evident from the presence of the intact monocationic high molecular weight parent peaks ([Ln(3)L(2)(X)(n)](+)) in the mass spectra of all the trinuclear complexes and from the ease of conversion from the mononuclear or dinuclear to the trinuclear species. The incompatibility of the ligand denticity with the coordination requirements of the Ln(III) ions was proven to be a useful tool in the construction of multinuclear Ln(III) metal ion arrays.},
	keywords = {AMINE PHENOL LIGANDS, ANTIBODY, COORDINATION, CRYSTAL-STRUCTURE, GADOLINIUM, IONS, METAL-COMPLEXES, MOLECULAR-STRUCTURE, SAMARIUM(III), Schiff-base},
	isbn = {0020-1669},
	url = {<Go to ISI>://000085266100017},
	author = {Setyawati, I. A. and Liu, S. and Rettig, S. J. and Orvig, Chris}
}
@article {4754,
	title = {Restricted motion of guests confined in carceplexes and capsules},
	journal = {Journal of Organic Chemistry},
	volume = {65},
	number = {2},
	year = {2000},
	note = {ISI Document Delivery No.: 276YFTimes Cited: 25Cited Reference Count: 21},
	month = {Jan},
	pages = {513-516},
	type = {Article},
	abstract = {Guest orientation within carceplexes and capsules was determined qualitatively from NMR data, and the molecular mobility of guests was determined via coalescence of H-1 NMR signals. Both are highly dependent on guest size and shape, as is interconversion of twistomers. Incarceration of 1,4-thioxane results in a large (1.8 kcal/mol) constraint on thioxane{\textquoteright}s conformational mobility (chair-to-chair interconversion). Similar conformational constraints (1.6 kcal/mol) were determined for 1,4-dioxane both when incarcerated in carceplex 1b and when encapsulated reversibly in capsule 3b. Encapsulation-induced conformational constraints of this magnitude are unprecedented, and are particularly striking for the noncovalently linked capsules.},
	keywords = {CRYSTAL-STRUCTURE, TEMPLATION},
	isbn = {0022-3263},
	url = {<Go to ISI>://000084905400036},
	author = {Chapman, R. G. and Sherman, J. C.}
}
@article {4740,
	title = {The synthesis and the molecular structure of hexakis (carbonyl)hexafluoroantimonato(V)tungsten(II) undecafluorodiantimonate (V), [W(CO)(6)(FSbF5)][Sb2F11]},
	journal = {Inorganic Chemistry},
	volume = {39},
	number = {10},
	year = {2000},
	note = {ISI Document Delivery No.: 315QGTimes Cited: 10Cited Reference Count: 35},
	month = {May},
	pages = {2172-2177},
	type = {Article},
	abstract = {{The reaction of tungsten hexacarbonyl, W(CO)(6), with antimony(V) fluoride, SbF5, in the conjugate Bronsted-Lewis superacid HF-SbF5 at 40 degrees C produces quantitatively the salt [W(CO)(6)(FSbF5)][Sb2F11] as the main product. The observed 2e(-) oxidation without any loss of CO is unprecedented. The cation [W(CO)(6)(FSbF5)](+) is seven coordinated with a distorted C-2v capped trigonal prismatic structure. [W(CO)(6)(FSbF5)][Sb2F11] crystallizes in the monoclinic space group P-21 (No. 4). a 8.2051(12) Angstrom},
	keywords = {ANIONS, COMPLEXES, COORDINATION, CRYSTAL-STRUCTURE},
	isbn = {0020-1669},
	url = {<Go to ISI>://000087124000027},
	author = {Brochler, R. and Sham, I. H. T. and Bodenbinder, M. and Schmitz, V. and Rettig, S. J. and Trotter, J. and Willner, H. and Aubke, F.}
}
@article {4740,
	title = {The synthesis and the molecular structure of hexakis (carbonyl)hexafluoroantimonato(V)tungsten(II) undecafluorodiantimonate (V), [W(CO)(6)(FSbF5)][Sb2F11]},
	journal = {Inorganic Chemistry},
	volume = {39},
	number = {10},
	year = {2000},
	note = {ISI Document Delivery No.: 315QGTimes Cited: 10Cited Reference Count: 35},
	month = {May},
	pages = {2172-2177},
	type = {Article},
	abstract = {{The reaction of tungsten hexacarbonyl, W(CO)(6), with antimony(V) fluoride, SbF5, in the conjugate Bronsted-Lewis superacid HF-SbF5 at 40 degrees C produces quantitatively the salt [W(CO)(6)(FSbF5)][Sb2F11] as the main product. The observed 2e(-) oxidation without any loss of CO is unprecedented. The cation [W(CO)(6)(FSbF5)](+) is seven coordinated with a distorted C-2v capped trigonal prismatic structure. [W(CO)(6)(FSbF5)][Sb2F11] crystallizes in the monoclinic space group P-21 (No. 4). a 8.2051(12) Angstrom},
	keywords = {ANIONS, COMPLEXES, COORDINATION, CRYSTAL-STRUCTURE},
	isbn = {0020-1669},
	url = {<Go to ISI>://000087124000027},
	author = {Brochler, R. and Sham, I. H. T. and Bodenbinder, M. and Schmitz, V. and Rettig, S. J. and Trotter, J. and Willner, H. and Aubke, F.}
}
@article {4874,
	title = {Template effects in the formation of a tetramethylene-bridged hemicarceplex},
	journal = {Journal of the American Chemical Society},
	volume = {122},
	number = {7},
	year = {2000},
	note = {ISI Document Delivery No.: 289TZTimes Cited: 20Cited Reference Count: 57},
	month = {Feb},
	pages = {1337-1342},
	type = {Article},
	abstract = {We report a study of the template effect in the formation of tetramethylene-bridged hemicarceplex 7.guest. Two tetrol cavitands were bridged with 1,4-dibromobutane in the presence of suitable template (guest) molecules in N-formylpiperidine as solvent. Selectivity was observed when competing templates were present during the reaction: the relative templating abilities (template ratios) of 30 different guest molecules range by 3600-fold, and manifest a significant preference for para-disubstituted benzenes. Twenty-one of the 30 hemicarceplexes used in this templation study are new. The trend in guest selectivity is markedly different from previous studies in which smaller cavities (e.g., carceplex 2.guest) are formed. In such studies, capsule 3.guest was a good transition state model, whereas this is not the case in the present work.},
	keywords = {2 BOWLS, BINDING-PROPERTIES, CARCEPLEXES, CONTAINER, CRYSTAL-STRUCTURE, ENCAPSULATION, METAL-ION, O-BENZYNE, REVERSIBLE MOLECULAR CAPSULES, zeolites},
	isbn = {0002-7863},
	url = {<Go to ISI>://000085639200011},
	author = {Makeiff, D. A. and Pope, D. J. and Sherman, J. C.}
}
@article {4730,
	title = {The tetrakis(carbonyl)dioxoosmium(VI) cation: trans-[OsO2(CO)(4)](2+)},
	journal = {Angewandte Chemie-International Edition},
	volume = {39},
	number = {1},
	year = {2000},
	note = {ISI Document Delivery No.: 273GWTimes Cited: 5Cited Reference Count: 34},
	pages = {168-+},
	type = {Article},
	keywords = {C-13, carbonyl complexes, CATIONS, COMPLEXES, CRYSTAL-STRUCTURE, density functional calculations, MAS-NMR-SPECTRA, MOLECULAR-STRUCTURE, superacidic systems, UNDECAFLUORODIANTIMONATE(V), vibrational spectroscopy},
	isbn = {1433-7851},
	url = {<Go to ISI>://000084700400017},
	author = {Bernhardt, E. and Willner, H. and Jonas, V. and Thiel, W. and Aubke, F.}
}
@article {4577,
	title = {Carceplexes and hemicarceplexes},
	journal = {Chemical Reviews},
	volume = {99},
	number = {4},
	year = {1999},
	note = {ISI Document Delivery No.: 189WZTimes Cited: 258Cited Reference Count: 229},
	month = {Apr},
	pages = {931-967},
	type = {Review},
	keywords = {CONSTRICTIVE BINDING, CRYSTAL-STRUCTURE, DIELS-ALDER REACTION, ENDOHEDRAL METALLOFULLERENES, ENERGY-TRANSFER, HOST-GUEST COMPLEXATION, HYDROGEN-BONDING PREFERENCES, REVERSIBLE MOLECULAR CAPSULES, SELF-ASSEMBLED MONOLAYERS, supramolecular chemistry, TRIPLET},
	isbn = {0009-2665},
	url = {<Go to ISI>://000079930300001},
	author = {Jasat, A. and Sherman, J. C.}
}
@article {4661,
	title = {Cationic iron(III) complex with a hexadentate N-2,N {\textquoteright}(2),O-2-aminopyridylphenolate ligand},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {77},
	number = {12},
	year = {1999},
	note = {ISI Document Delivery No.: 262KYTimes Cited: 14Cited Reference Count: 34},
	month = {Dec},
	pages = {2033-2038},
	type = {Article},
	abstract = {{Iron(III) complexation with potentially hexadentate H(2)bbpen (N,N{\textquoteright}-bis(2-hydroxybenzyl)-N,N{\textquoteright}-bis(2-methylpyridyl)ethylenediamine) was studied. The resulting monocationic complex, [Fe(bbpen)](+) as its NO3- and PF6- salts, was characterized by infrared spectroscopy, mass spectrometry, elemental analyses, cyclic voltammetry, and X-ray crystallographic analysis. Crystals of [Fe(bbpen)]NO3. CH3OH are monoclinic, space group P2(1)/c},
	keywords = {ANALOGS, BINDING-SITE, CATIONIC, CRYSTAL-STRUCTURE, gallium, hexadentate, indium, iron( III), LACTOFERRIN, MODEL, OXO, phenolate, PROTEINS, pyridyl},
	isbn = {0008-4042},
	url = {<Go to ISI>://000084067500004},
	author = {Setyawati, I. A. and Rettig, S. J. and Orvig, Chris}
}
@article {4541,
	title = {Chemistry of the Ag-2(dmb)(2)(2+) template (dmb=1,8-diisocyano-p-menthane). Preparation, characterization, and x-ray structures of the Ag-2(dmb)(2)Y-2 dimers (Y = NO3-, ClO4-, CH3CO2-) and the paramagnetic [Ag-4(dmb)(4)(TCNQ)(3)]TCNQ complex (TCNQ=7,7,8,8},
	journal = {Inorganic Chemistry},
	volume = {38},
	number = {6},
	year = {1999},
	note = {ISI Document Delivery No.: 180DKTimes Cited: 17Cited Reference Count: 43},
	month = {Mar},
	pages = {1253-1260},
	type = {Article},
	abstract = {{Direct reactions of the AgY salts with dmb (1,8-diisocyano-p-menthane) in a 1:1 stoichiometric amount generate the binuclear Ag-2(dmb)(2)Y-2 complexes. The X-ray crystallography establishes that the structure consists of two Ag+ atoms bridged by two dmb ligands forming a 20-membered ring and by two counteranions via one of the O-atoms, forming a four-membered ring (local symmetry D-2h) The Ag-I... Ag-I separations are 3.909(1) and 3.6831(8) Angstrom for Y = NO3- and CH3CO2-, respectively. Reactions of Ag-2(dmb)(2)Y-2 (Y = NO3-, ClO4-) with LiTCNQ lead to the paramagnetic tetranuclear species [Ag-4(dmb)(4)(TCNQ)(3)]TCNQ. The structure at 180 K consists of two Ag-2(dmb)(2)(2+) species (d(Ag ... Ag) = 4.113(1) Angstrom held together by three parallel TCNQ(-{\textquoteright})s, with Ag+... N=C distances ranging from 2.359(5) to 2.787(5) Angstrom. Two of the Ag+ atoms are tricoordinated, and the other two are tetracoordinated placed within in a centrosymmetric geometry. The three bridging TCNQ-{\textquoteright}s exhibit interplanar distances of 3.333(1) Angstrom, and the Ag-4 species are packed side-by-side with two adjacent TCNQ-{\textquoteright}s face-to-face (separation 3.372(1) Angstrom) forming an infinite pi-stacked chain TCNQ(-{\textquoteright})s. The TCNQ(-) counteranion also exhibits weak pi-contacts via the -CN groups with other counteranions. The magnetic susceptibilities, EPR spectra, and unit cell parameters have been measured as a function of temperature. The magnetic data are best explained by extended chains of anti Ferromagnetically coupled S = 3/2 and S = 1/2 centers for the [Ag-4(dmb)(4)-(TCNQ)(3)](+) and TCNQ(-) moieties, respectively. No hyperfine structure has been observed between 106 and 290 K, indicating the presence of rapid exchange in the paramagnetic system. Crystal data: Ag-2(dmb)(2)(NO3)(2), crystal system, orthorhombic, space group = C-cmb},
	keywords = {1, 7, 7{\textquoteright}, 8, 8-DIISOCYANO-P-MENTHANE, 8-TETRACYANOQUINODIMETHANE, 8{\textquoteright}-TETRACYANOQUINODIMETHANE, CRYSTAL-STRUCTURE, MAGNETIC-PROPERTIES, NICKEL(II), POLYMERS, SPECTROSCOPY, SYSTEMS, TCNQ},
	isbn = {0020-1669},
	url = {<Go to ISI>://000079370000030},
	author = {Fortin, D. and Drouin, M. and Harvey, P. D. and Herring, F. G. and Summers, D. A. and Thompson, R. C.}
}
@article {4541,
	title = {Chemistry of the Ag-2(dmb)(2)(2+) template (dmb=1,8-diisocyano-p-menthane). Preparation, characterization, and x-ray structures of the Ag-2(dmb)(2)Y-2 dimers (Y = NO3-, ClO4-, CH3CO2-) and the paramagnetic [Ag-4(dmb)(4)(TCNQ)(3)]TCNQ complex (TCNQ=7,7,8,8},
	journal = {Inorganic Chemistry},
	volume = {38},
	number = {6},
	year = {1999},
	note = {ISI Document Delivery No.: 180DKTimes Cited: 17Cited Reference Count: 43},
	month = {Mar},
	pages = {1253-1260},
	type = {Article},
	abstract = {{Direct reactions of the AgY salts with dmb (1,8-diisocyano-p-menthane) in a 1:1 stoichiometric amount generate the binuclear Ag-2(dmb)(2)Y-2 complexes. The X-ray crystallography establishes that the structure consists of two Ag+ atoms bridged by two dmb ligands forming a 20-membered ring and by two counteranions via one of the O-atoms, forming a four-membered ring (local symmetry D-2h) The Ag-I... Ag-I separations are 3.909(1) and 3.6831(8) Angstrom for Y = NO3- and CH3CO2-, respectively. Reactions of Ag-2(dmb)(2)Y-2 (Y = NO3-, ClO4-) with LiTCNQ lead to the paramagnetic tetranuclear species [Ag-4(dmb)(4)(TCNQ)(3)]TCNQ. The structure at 180 K consists of two Ag-2(dmb)(2)(2+) species (d(Ag ... Ag) = 4.113(1) Angstrom held together by three parallel TCNQ(-{\textquoteright})s, with Ag+... N=C distances ranging from 2.359(5) to 2.787(5) Angstrom. Two of the Ag+ atoms are tricoordinated, and the other two are tetracoordinated placed within in a centrosymmetric geometry. The three bridging TCNQ-{\textquoteright}s exhibit interplanar distances of 3.333(1) Angstrom, and the Ag-4 species are packed side-by-side with two adjacent TCNQ-{\textquoteright}s face-to-face (separation 3.372(1) Angstrom) forming an infinite pi-stacked chain TCNQ(-{\textquoteright})s. The TCNQ(-) counteranion also exhibits weak pi-contacts via the -CN groups with other counteranions. The magnetic susceptibilities, EPR spectra, and unit cell parameters have been measured as a function of temperature. The magnetic data are best explained by extended chains of anti Ferromagnetically coupled S = 3/2 and S = 1/2 centers for the [Ag-4(dmb)(4)-(TCNQ)(3)](+) and TCNQ(-) moieties, respectively. No hyperfine structure has been observed between 106 and 290 K, indicating the presence of rapid exchange in the paramagnetic system. Crystal data: Ag-2(dmb)(2)(NO3)(2), crystal system, orthorhombic, space group = C-cmb},
	keywords = {1, 7, 7{\textquoteright}, 8, 8-DIISOCYANO-P-MENTHANE, 8-TETRACYANOQUINODIMETHANE, 8{\textquoteright}-TETRACYANOQUINODIMETHANE, CRYSTAL-STRUCTURE, MAGNETIC-PROPERTIES, NICKEL(II), POLYMERS, SPECTROSCOPY, SYSTEMS, TCNQ},
	isbn = {0020-1669},
	url = {<Go to ISI>://000079370000030},
	author = {Fortin, D. and Drouin, M. and Harvey, P. D. and Herring, F. G. and Summers, D. A. and Thompson, R. C.}
}
@article {4500,
	title = {Design of proteins using rigid organic macrocycles as scaffolds},
	journal = {Bioorganic \& Medicinal Chemistry},
	volume = {7},
	number = {1},
	year = {1999},
	note = {ISI Document Delivery No.: 173QETimes Cited: 21Cited Reference Count: 39},
	month = {Jan},
	pages = {23-27},
	type = {Article},
	abstract = {We have designed and synthesized new three-helix template-assembled synthetic proteins (TASPs) 1a-c. The template was the rigid cyclotribenzylene (CTB) macrocycle 2, which has C-3 symmetry. Thiol moieties on the CTB template were used to link cysteine-containing peptide strands 3a-c via disulfide bonds. With designed peptide strands of 15 and 18 residues in length, the structure of TASPs 1a-c were determined to be helical in water according to circular dichroism (CD) spectroscopy. The helicities of TASPs la-e were unchanged over large ranges of pH (2-12) and salt concentrations (0-2 M KCl). TASPs 1a-c were also extremely resistant to chemical denaturants: it requires a guanidine hydrochloride (GnHCl) concentration of 7.4 M for TASPs 1a-c to lose 50\% of their helicity. The major force for stabilization of TASPs 1a-c is the hydrophobic bundling of the helices. (C) 1999 Elsevier Science Ltd. All rights reserved.},
	keywords = {4-HELIX BUNDLE PROTEIN, ASSEMBLED SYNTHETIC PROTEINS, CHEMOSELECTIVE LIGATION, CONSTRUCTION, CROSS-LINKING, CRYSTAL-STRUCTURE, cyclotribenzylene, de novo protein, DE-NOVO PROTEINS, HELICAL BUNDLES, HELICAL PROTEIN, PEPTIDE, TASP, TEMPLATE},
	isbn = {0968-0896},
	url = {<Go to ISI>://000078990600004},
	author = {Causton, A. S. and Sherman, J. C.}
}
@article {4503,
	title = {Elucidation of "twistomers" in container compounds},
	journal = {Journal of the American Chemical Society},
	volume = {121},
	number = {9},
	year = {1999},
	note = {ISI Document Delivery No.: 176GRTimes Cited: 28Cited Reference Count: 18},
	month = {Mar},
	pages = {1962-1963},
	type = {Article},
	keywords = {CARCEPLEXES, CRYSTAL-STRUCTURE, HOST-GUEST COMPLEXATION, LANTHANIDE SHIFT-REAGENTS},
	isbn = {0002-7863},
	url = {<Go to ISI>://000079143700029},
	author = {Chapman, R. G. and Sherman, J. C.}
}
@article {4510,
	title = {A giant carceplex permanently entraps three organic molecules},
	journal = {Angewandte Chemie-International Edition},
	volume = {38},
	number = {13-14},
	year = {1999},
	note = {ISI Document Delivery No.: 217RCTimes Cited: 52Cited Reference Count: 26},
	pages = {1955-1957},
	type = {Article},
	keywords = {CAPSULES, CARCEPLEXES, CAVITANDS, CRYSTAL-STRUCTURE, HOST GUEST COMPLEXATION, host-guest chemistry, inclusion compounds, SHELL CLOSURE, TEMPLATE SYNTHESIS},
	isbn = {1433-7851},
	url = {<Go to ISI>://000081511900022},
	author = {Chopra, N. and Sherman, J. C.}
}
@article {4548,
	title = {One-electron oxidation of paramagnetic chromium(II) alkyl complexes with alkyl halides: synthesis and structure of five-coordinate chromium(III) complexes},
	journal = {Journal of the Chemical Society-Dalton Transactions},
	number = {2},
	year = {1999},
	note = {ISI Document Delivery No.: 162JPTimes Cited: 18Cited Reference Count: 69},
	month = {Jan},
	pages = {147-154},
	type = {Article},
	abstract = {The reaction of square-planar, high-spin CrR[N(SiMe2CH2PPh2)(2)] (R = Me, CH2SiMe3) with alkyl halides (MeI, CF3CH2I, MeBr, PhCH2Cl) generates one-electron oxidation products Cr(R)X[N(SiMe2CH2PPh2)(2)], unusual examples of five-coordinate chromium(III) complexes. Cr(Me)Br[N(SiMe2CH2PPh2)(2)] and Cr(CH2SiMe3)Cl[N(SiMe2CH2PPh2)(2)] have structurally characterized. Alkylation of the latter complex with LiCH2SiMe3 gave a five-coordinate Cr(III) dialkyl complex Cr(CH2SiMe3)(2)[N(SiMe2CH2PPh2)(2)](2), which was structurally characterized as well. Attempts to isolate sterically unencumbered Cr(III) dialkyl (e.g., dimethyl) complexes resulted in decomposition. Addition of an excess of PhCH2Cl to {[(Ph2PCH2SiMe2)(2)N]Cr}(2)(mu-Cl)(2) resulted in halide-transfer to form CrCl2(TNF)[N(SiMe2CH2PPh2)(2)] in low yield. Reaction of the low-spin CrCp[N(SiMe2CH2PPh2)(2)] complex with PhCH2Cl, however, gave both Cr(Cp)(CH2Ph)[N(SiMe2CH2PPh2)(2)] and Cr(CP)Cl[N(SiMe2CH2CH2PPh2)(2)]. The five five-coordinate Cr(III) alkyl halide complexes do not polymerize ethylene at 60 degrees C and 1 atm; the dialkyl complex Cr(CH2SiMe3)(2)[N(SiMe2CH2PPh2)(2)] does catalyze polyethylene formation but is quickly deactivated. A discussion comparing the structural distortions observed in these five-coordinate high-spin d(3) Cr(III) complexes with those observed in the analogous low-spin d(6) Ir(III) complexes is presented.},
	keywords = {17-ELECTRON, 5-COORDINATE, ATOM TRANSFER-REACTIONS, CHEMISTRY, CRYSTAL-STRUCTURE, D6 ML5 COMPLEXES, NMR-SPECTROSCOPY, ORGANIC HALIDES, POLYMERIZATION, REACTIVITY},
	isbn = {0300-9246},
	url = {<Go to ISI>://000078342700010},
	author = {Fryzuk,Michael D. and Leznoff, D. B. and Rettig, S. J. and Young, V. G.}
}
@article {4647,
	title = {The structures of the neurotrophin 4 homodimer and the brain-derived neurotrophic factor/neurotrophin 4 heterodimer reveal a common Trk-binding site},
	journal = {Protein Science},
	volume = {8},
	number = {12},
	year = {1999},
	note = {ISI Document Delivery No.: 266RPTimes Cited: 24Cited Reference Count: 45},
	month = {Dec},
	pages = {2589-2597},
	type = {Article},
	abstract = {The neurotrophins are growth factors that are involved in the development and survival of neurons. Neurotrophin release by a target tissue results in neuron growth along the neurotrophin concentration gradient, culminating in the eventual innervation of the target tissue. These activities are mediated through trk cell surface receptors. We have determined the structures of the heterodimer formed between brain-derived neurotrophic factor (BDNF) and neurotrophin 4 (NT4), as well as the structure of homodimer of NT4. We also present the structure of the Neurotrophin 3 homodimer, which is refined to higher resolution than previously published. These structures provide the first views of the architecture of the NT4 protomer. Comparison of the surface of a model of the BDNF homodimer with the structures of the neurotrophin homodimers reveals common features that may be important in the binding between the neurotrophins and their receptors. In particular, there exists an analogous region on the surface of each neurotrophin that is likely to be involved in trk receptor binding. Variations in sequence on the periphery of this common region serve to confer trk receptor specificity.},
	keywords = {BDNF, CELLS, CRYSTAL-STRUCTURE, CRYSTALLOGRAPHY, DIFFERENTIATION, nerve growth factor, NERVE GROWTH-FACTOR, NGF, PURIFICATION, RECEPTOR, RECEPTORS, RECOGNITION, SPECIFICITY},
	isbn = {0961-8368},
	url = {<Go to ISI>://000084314100005},
	author = {Robinson, R. C. and Radziejewski, C. and Spraggon, G. and Greenwald, J. and Kostura, M. R. and Burtnick, L. D. and Stuart, D. I. and Choe, S. and Jones, E. Y.}
}
@article {4544,
	title = {Synthesis and characterization of Group 13 hydrides and metal-metal bonded dimers stabilized by the macrocyclic bis(amidophosphine) ligand [P2N2] ([P2N2] = [PhP(CH2SiMe2NSiMe2CH2)2PPh])},
	journal = {Journal of Organometallic Chemistry},
	volume = {591},
	number = {1-2},
	year = {1999},
	note = {ISI Document Delivery No.: 263HDTimes Cited: 8Cited Reference Count: 39},
	month = {Dec},
	pages = {63-70},
	type = {Article},
	abstract = {Addition of LiAlH4 to the monomeric chlorides syn-MCl[P2N2] (M = Al (1), Ga (2), In (3)) results in the formation of the aluminum hydride syn-AlH[P2N2] (4). The solution H-1- and P-31{H-1}-NMR spectra are consistent with a C-20 symmetric species in solution. The X-ray crystal structure shows the hydride to be monomeric, and free from interaction with either salt (LiCl) or external base (Et2O). The coordination of both phosphines of the macrocycle to the metal center is found in the solid state. Solution molecular weight measurements are consistent with a monomeric structure. The gallium hydride syn-GaH[P2N2] (5) is synthesized by the addition of LiGaH4 to syn-MCl[P2N2] (M = Ga (2), In (3)). This species is unstable and could only be characterized in solution. Reduction of syn-MCl[P2N2] (M = Ga (2), In (3)) with KC8 yields the reduced, dimeric species {syn-M[P2N2]}(2) (M = Ga (6), In (7)). The solution H-1- and P-31{H-1}-NMR spectra are consistent with C-2v symmetric species in solution. The X-ray crystal structures of the gallium and indium complexes confirm the presence of unsupported metal-metal bonds in both cases. The features of the solution H-1- and P-31{H-1}-NMR spectra suggest that both dimers are fluxional in solution. (C) 1999 Elsevier Science S.A. All rights reserved.},
	keywords = {AL-AL, aluminum, CHEMISTRY, CRYSTAL-STRUCTURE, GA-GA, gallium, GALLIUM-GALLIUM BONDS, hydride, indium, INDIUM HYDRIDE, macrocycle, METAL-METAL BONDS, MOLECULAR-STRUCTURE, NEUTRAL COMPLEXES, SUBSTITUTED DIGALLANE},
	isbn = {0022-328X},
	url = {<Go to ISI>://000084118500007},
	author = {Fryzuk,Michael D. and Giesbrecht, G. R. and Rettig, S. J. and Yap, G. P. A.}
}
@article {4520,
	title = {Synthesis and characterization of [RuCl3(P-P)(H2O)] complexes; P-P = achiral or chiral, chelating ditertiary phosphine ligands},
	journal = {Inorganic Chemistry},
	volume = {38},
	number = {23},
	year = {1999},
	note = {ISI Document Delivery No.: 256ZATimes Cited: 29Cited Reference Count: 65},
	month = {Nov},
	pages = {5341-5345},
	type = {Article},
	abstract = {The reaction of the dinuclear [RuCl2(dppb)](2)(mu-dppb) (dppb = 1,4-bis(diphenylphosphino)butane) with Cl-2 in MeOH for similar to 30 min at room temperature gives the bright-red solid mer-RuCl3(dppb)(H2O) (1); Cl-2 treatment for similar to 10 min affords the red-brown, mixed valence complex [RuCl(dppb)](2)(mu-Cl)(3) (2). Controlled bulk coulometric reduction of 50\% of the content of a CH2Cl2 solution of 1 also produces 2, formed by the reaction of 1 with "RuCl2(dppb)" produced in situ during the electrolysis. Complexes 1 and 2 were characterized by spectroscopic techniques [including electron spin resonance (ESR)], magnetic moments and cyclic voltammetry, and the structure of 1 was determined by X-ray diffraction. The structure shows that the aquo ligand forms hydrogen bonds with two cis-chlorine ligands of the neighboring molecule of the complex; this interaction gives rise to exchange coupling between two Ru(III) centers that is reflected in the ESR spectrum. A species 3 analogous to 1 has been obtained with the diop ligand [diop = (2R,3R)- or (2S,3S)-O-isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane] , on using RuCl2(diop)(PPh3) or [RuCl(diop)](2)(mu-Cl)(3) as precursors. The RuCl3(P-P)L complexes (P-P = dppb, diop; L = dimethyl sulfoxide, MeOH) are readily synthesized from 1 or 3.},
	keywords = {ASYMMETRIC HYDROGENATION, BINAP, CATALYSTS, COMPLEXES, CRYSTAL-STRUCTURE, DICARBOXYLATE COMPLEXES, GENERAL-SYNTHESIS, METAL-COMPLEXES, ruthenium, STRUCTURAL CHARACTERIZATION, UNSATURATED CARBOXYLIC-ACIDS},
	isbn = {0020-1669},
	url = {<Go to ISI>://000083755300020},
	author = {Dinelli, L. R. and Batista, A. A. and Wohnrath, K. and de Araujo, M. P. and Queiroz, S. L. and Bonfadini, M. R. and Oliva, G. and Nascimento, O. R. and Cyr, P. W. and Macfarlane, K. S. and James, Brian R.}
}
@article {4616,
	title = {Vanadium complexes as insulin mimetic agents: Coordination chemistry and in vivo studies of oxovanadium(IV) and dioxovanadate(V) complexes formed from naturally occurring chelating oxazolinate, thiazolinate, or picolinate units},
	journal = {Inorganic Chemistry},
	volume = {38},
	number = {10},
	year = {1999},
	note = {ISI Document Delivery No.: 199BHTimes Cited: 72Cited Reference Count: 34},
	month = {May},
	pages = {2288-2293},
	type = {Article},
	abstract = {{The synthesis and characterization of four complexes containing naturally occurring binding groups are reported: VO(pic)(2). H2O (Hpic = picolinic or pyridine-2-carboxylic acid), NH4[VO2(pic)(2)]. 2H(2)O, VO(oz)(2) (Hoz = 2-(2{\textquoteright}- hydroxyphenyl)-2-oxazoline), and VO(thoz)(2) (Hthoz = 2-(2{\textquoteright}-hydroxyphenyl)-2-thiazoline). The X-ray structures of [NH4[VO2(pic)(2)]. 2H(2)O, VO(oz)(2), and VO(thoz)(2) have been determined. Crystals of NH4[VO2(pic)(2)]. 2H(2)O (C12H12N3O6V . 2H(2)O) are monoclinic, space group Cc, a 10.347(2) Angstrom},
	keywords = {BIS(MALTOLATO)OXOVANADIUM(IV), BMOV, CRYSTAL-STRUCTURE, DIABETIC RATS, GLUCOSE, NMR, SIDEROPHORE, SULFATE, SYSTEM, VANADATE},
	isbn = {0020-1669},
	url = {<Go to ISI>://000080459200009},
	author = {Melchior, M. and Thompson, K. H. and Jong, J. M. and Rettig, S. J. and Shuter, E. and Yuen, V. G. and Zhou, Y. and McNeill, J. H. and Orvig, Chris}
}
@article {4301,
	title = {Calcium binding by the N-terminal cellulose-binding domain from Cellulomonas fimi beta-1,4-glucanase CenC},
	journal = {Biochemistry},
	volume = {37},
	number = {37},
	year = {1998},
	note = {ISI Document Delivery No.: 125NRTimes Cited: 16Cited Reference Count: 33},
	month = {Sep},
	pages = {12772-12781},
	type = {Article},
	abstract = {The interaction of the N-terminal cellulose-binding domain, CBDN1, from Cellulomonas fimi beta-1,4-glucanase CenC with calcium was investigated using NMR spectroscopy and calorimetry. CBDN1 binds a single calcium ion with an equilibrium association constant of approximately 10(5) M-1 at 35 degrees C and pH 6.0. Binding is exothermic (-42 +/- 2 kJ mol(-1)) under these conditions and is accompanied by a small negative change in heat capacity (Delta C-p = -0.41 +/- 0.16 kJ mol(-1) K-1). From an NMR line shape analysis, the rate constants for calcium association and dissociation were found to be (5 +/- 7) x 10(7) s(-1) M-1 and (4.5 +/- 0.6) x 10(2) s(-1), respectively. The rapid association kinetics indicate that the calcium-binding site on CBDN1 is accessible and, to the first approximation, preformed. Based on patterns of chemical shift perturbations, and structural comparisons with the Bacillus sp. 1,3-1,4-beta-glucanases, the backbone carbonyl oxygens of Thr8, Gly30, and Asp 142 and a side chain carboxyl oxygen of Asp 142 are postulated to form the calcium-binding site of CBDN1. Consistent with the calcium-independent affinity of CBDN1 for cellopentaose, this exposed site is located on the face of CBDN1 opposite to that forming the oligosaccharide-binding cleft. The midpoint denaturation temperature of CBDN1 is increased by approximately 8 degrees C at pH 6.0 in the presence of saturating amounts of calcium, confirming that metal ion binding is thermodynamically linked to native-state stability.},
	keywords = {4-GLUCANOHYDROLASE, AFFINITY, CA2+, CRYSTAL-STRUCTURE, GLUCANASES, NUCLEAR-MAGNETIC-RESONANCE, RESOLUTION, SPECTROSCOPY, THERMODYNAMICS, THERMOSTABILITY},
	isbn = {0006-2960},
	url = {<Go to ISI>://000076244100011},
	author = {Johnson, P. E. and Creagh, A. L. and Brun, E. and Joe, K. and Tomme, P. and Haynes, C. A. and McIntosh, L. P.}
}
@article {4239,
	title = {The first nitrosyl complexes of niobium and tantalum},
	journal = {Journal of the American Chemical Society},
	volume = {120},
	number = {11},
	year = {1998},
	note = {ISI Document Delivery No.: ZD933Times Cited: 11Cited Reference Count: 37},
	month = {Mar},
	pages = {2688-2689},
	type = {Article},
	keywords = {ATMOSPHERIC-PRESSURE, BIS(PENTAMETHYLCYCLOPENTADIENYL)VANADIUM, CARBONYL DERIVATIVES, CHEMISTRY, CRYSTAL-STRUCTURE, ELECTRON-TRANSFER PROCESSES, LOW-VALENT, MOLECULAR-STRUCTURE, NITRIC-OXIDE, TITANIUM},
	isbn = {0002-7863},
	url = {<Go to ISI>://000072740300038},
	author = {Daff, P. J. and Legzdins,Peter and Rettig, S. J.}
}
@article {4413,
	title = {[(mu-OCH3)VO(ma)](2), a strongly antiferromagnetic oxovanadium(IV) dimer},
	journal = {Inorganic Chemistry},
	volume = {37},
	number = {12},
	year = {1998},
	note = {ISI Document Delivery No.: ZV268Times Cited: 24Cited Reference Count: 17},
	month = {Jun},
	pages = {3119-3121},
	type = {Article},
	keywords = {BIS(MALTOLATO)OXOVANADIUM(IV) BMOV, COMPLEXES, CRYSTAL-STRUCTURE, INSULIN MIMETIC AGENT, SPECTROSCOPY},
	isbn = {0020-1669},
	url = {<Go to ISI>://000074287600048},
	author = {Sun, Y. and Melchior, M. and Summers, D. A. and Thompson, R. C. and Rettig, S. J. and Orvig, Chris}
}
@article {4413,
	title = {[(mu-OCH3)VO(ma)](2), a strongly antiferromagnetic oxovanadium(IV) dimer},
	journal = {Inorganic Chemistry},
	volume = {37},
	number = {12},
	year = {1998},
	note = {ISI Document Delivery No.: ZV268Times Cited: 24Cited Reference Count: 17},
	month = {Jun},
	pages = {3119-3121},
	type = {Article},
	keywords = {BIS(MALTOLATO)OXOVANADIUM(IV) BMOV, COMPLEXES, CRYSTAL-STRUCTURE, INSULIN MIMETIC AGENT, SPECTROSCOPY},
	isbn = {0020-1669},
	url = {<Go to ISI>://000074287600048},
	author = {Sun, Y. and Melchior, M. and Summers, D. A. and Thompson, R. C. and Rettig, S. J. and Orvig, Chris}
}
@article {4274,
	title = {New structures - new insights: Progress in structure analysis of nanoporous materials},
	journal = {Microporous and Mesoporous Materials},
	volume = {21},
	number = {4-6},
	year = {1998},
	note = {ISI Document Delivery No.: 116MWTimes Cited: 24Cited Reference Count: 33International Symposium on Zeolites and Microporous Crystals (ZMPC 97)AUG 24-27, 1997TOKYO, JAPANWaseda Univ, Kanto Dist Council Catalysis Soc Japan},
	month = {May},
	pages = {183-197},
	type = {Proceedings Paper},
	abstract = {In the recent past structure determination of microporous materials has experienced considerable developments in methodology. The FOCUS method: high resolution powder diffraction data used for direct method structure solution in combination with crystal chemistry based modelling. The models are retrieved from electron density maps calculated in direct method runs, energy minimized and checked through for realistic angles and distances values. The SUM-TF method: diffraction patterns at moderate resolution analysed with direct methods using a modified tangent formula which includes Patterson information for the structure solving. In this way the atomic resolution criterion for direct methods is bypassed. This overview gives a summary of the structures successfully solved using these new techniques. (C) 1998 Elsevier Science B.V. All rights reserved.},
	keywords = {CRYSTAL-STRUCTURE, kanemite, LAYER SILICATE, layer silicates, PATTERSON-FUNCTION ARGUMENTS, POWDER DIFFRACTION, POWDER DIFFRACTION DATA, REFLECTIONS, RESOLUTION, Rietveld analysis, RUB-15, RUB-18, structure solution, TANGENT FORMULA, VNI, zeolite, zeolites},
	isbn = {1387-1811},
	url = {<Go to ISI>://000075730000003},
	author = {Gies, H. and Marler, B. and Vortmann, S. and Oberhagemann, U. and Bayat, P. and Krink, K. and Rius, J. and Wolf, I. and Fyfe, C.}
}
@article {4302,
	title = {Platinum(II)-silver(I) polymers bearing platinum(II) clusters containing chelated P,P- and bridged P, N-2-pyridylphosphine ligands},
	journal = {Journal of Cluster Science},
	volume = {9},
	number = {3},
	year = {1998},
	note = {ISI Document Delivery No.: 168QATimes Cited: 6Cited Reference Count: 32},
	month = {Sep},
	pages = {243-258},
	type = {Article},
	abstract = {Reactions of PtI2L (L = P,P-bonded 1,2-bis(2-pyridyl )phosphino)ethane, d(py)pe, or 1,2-bis((2-pyridyl)phosphino)cyclopentane, d(py)pcp) with excess AgNO3 in acetic acid/ethanol afford the polymers [Pt-2(d(py)pe)(2)Ag-4(NO3)(8) (H2O)(2)](n) (1) and [Pt-2(d(py)pcp)(2) Ag-6(NO3)(10)](n) (2), respectively, which contain Pt2L24+ cores with each L ligand now P,N-bridging two Pt-atoms; these Pt-2 cores are connected via bridging AgNO3 clusters, the Ag being bound to the pyridyl-N or nitrate-O atoms. X-ray crystallographic data reveal Pt-Pt contacts of similar to 2.76 Angstrom indicative of bonding.},
	keywords = {2-PYRIDYL, 2-PYRIDYLPHOSPHINE LIGANDS, =, cation, COMPLEXES, CRYSTAL-STRUCTURE, DIMER, METAL-METAL BOND, OXIDATION, palladium, platinum, pyridylphosphine, silver, SPECTROSCOPY, TETRAKIS(DITHIOACETATO)DIPLATINUM(II)},
	isbn = {1040-7278},
	url = {<Go to ISI>://000078702700004},
	author = {Jones, N. D. and Rettig, S. J. and James, Brian R.}
}
@article {4387,
	title = {The reactivity of five-coordinate Ru(II)(1,4-bis(diphenylphosphino)butane) complexes with the N-donor ligands: ammonia, pyridine, 4-substituted pyridines, 2,2{\textquoteright}-bipyridine, bis(o-pyridyl)amine, 1,10-phenanthroline, 4,7-diphenylphenanthroline and ethylene},
	journal = {Inorganica Chimica Acta},
	volume = {267},
	number = {2},
	year = {1998},
	note = {ISI Document Delivery No.: YK955Times Cited: 48Cited Reference Count: 47},
	month = {Jan},
	pages = {209-221},
	type = {Article},
	abstract = {{A series of Ru(II) (1,4-bis(diphenylphosphino)butane) (L)(2) complexes was synthesized from [RuCl2(dppb)](2)(mu-dppb) or RuCl2(dppb)-(PPh3); dppb=Ph2P(CH2)(4)PPh2},
	keywords = {1, 4-BIS(DIPHENYLPHOSPHINO)BUTANE, amine-phosphine complexes, crystal structures, CRYSTAL-STRUCTURE, HYDROGENATION, IMINE, PHOSPHINE COMPLEXES, RUTHENIUM(II), RUTHENIUM(II) COMPLEXES, SOLID-STATE, X-RAY},
	isbn = {0020-1693},
	url = {<Go to ISI>://A1998YK95500005},
	author = {Queiroz, S. L. and Batista, A. A. and Oliva, G. and Gambardella, Mtdp and Santos, R. H. A. and Macfarlane, K. S. and Rettig, S. J. and James, Brian R.}
}
@article {4418,
	title = {Structural, spectroscopic, thermodynamic and kinetic properties of copper(II) complexes with tripodal tetraamines},
	journal = {Inorganic Chemistry},
	volume = {37},
	number = {16},
	year = {1998},
	note = {ISI Document Delivery No.: 110GETimes Cited: 87Cited Reference Count: 38},
	month = {Aug},
	pages = {4022-4029},
	type = {Article},
	abstract = {Spectroscopic, thermodynamic, and kinetic measurements have been made on aqueous solutions of copper(II) complexes of hexamethylated tren and trimethylated tren (one methylation per primary amine group of tren) with the objective of correlating: the influence of geometry (trigonal bipyramidal, evident from UV/vis spectroscopy) and N-alkyl substitution in the ligand on these inherent properties. At 25.0 degrees C the protonation constants of Me(3)tren are not significantly different from those of tren and Me(6)tren, and the stability constant for the Cu(II) complex is of the same order of magnitude as that for the [Cu(tren)(H2O)](2+) complex ion; The pK(a) for deprotonation of the coordinated water molecule of [Cu(Me(3)tren)(H2O)](2+) is intermediate between the values for the complexes containing the unsubstituted and the fully substituted tren ligand. Substitution (pyridine for water) kinetics measurements employing stopped-flow and temperature-jump methods revealed different patterns of reactivity: pyridine replaces water in [Cu(Me(3)tren)(H2O)](2+) with a second-order rate constant of (4.4 +/- 0.8) x 10(2) M-1 s(-1) at 25.0 degrees C, whereas the corresponding process for [Cu(Me(6)tren)(H2O)](2+) is relatively complex and is discussed in more detail. Substitution in the former complex ion is characterized in the forward and reverse directions, by Delta H-double dagger = 60 +/- 8 and 51.9 +/- 0.9 kJ mol(-1), Delta S-double dagger = 5 +/- 27 and -23 +/- 3 J mol(-1) K-1, and Delta V-double dagger = -8.7 +/- 4.6 and -6.2 +/- 1.1 cm(3) mol(-1), respectively, It is concluded that this reaction follows an I-a mechanism, similar to that reported for the comparable reaction of [Cu(tren)(H2O)](2+). An X-ray structural determination on a crystal of [Cu-2(Me(3)tren)(2)(CN)] (ClO4)(3) . 2CH(3)CN demonstrated trigonal bipyramidal geometry about each copper(II) center. As has been found in comparable complexes of tren and Me(6)tren, the axial nitrogen to copper bond is shorter than the equatorial nitrogen-copper bonds, and the angle made by N(axial)-Cu-N(equatorial) is less than 90 degrees (84.6-85.4 degrees), signifying that each copper ion lies below the plane of the equatorial nitrogen atoms.},
	keywords = {AQUEOUS-SOLUTION, CRYSTAL-STRUCTURE, ELECTRONIC-PROPERTIES, IMIDAZOLE, ION, MECHANISM, PHENANTHROLINE, PRESSURE-DEPENDENCE, RESONANCE, SUBSTITUTION KINETICS},
	isbn = {0020-1669},
	url = {<Go to ISI>://000075371200019},
	author = {Thaler, F. and Hubbard, C. D. and Heinemann, F. W. and vanEldik, R. and Schindler, S. and Fabian, I. and Dittler-Klingemann, A. M. and Hahn, F. E. and Orvig, Chris}
}
@article {4412,
	title = {Transition metal azolates from metallocenes. Part 3: Polymeric manganese(II) and nickel(II) pyrazolates; synthesis, characterization, and magnetochemistry},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {76},
	number = {8},
	year = {1998},
	note = {ISI Document Delivery No.: 143VNTimes Cited: 13Cited Reference Count: 37},
	month = {Aug},
	pages = {1130-1137},
	type = {Article},
	abstract = {Direct reactions of nickelocene and manganocene with molten pyrazoles in an inert atmosphere or under vacuum have led to the isolation of the following metal pyrazolate compounds: [Ni(4-Xpz)(2)](x) (where X = EI, CI and pz = pyrazolate); [M(4-Xdmpz)(2)](x) (where X = H, CH3, Cl, Br and M = Ni, Mn and dmpz = 3,5-dimethylpyazolate); and [Mn(4-Xpz)(2)(4-XpzH)](x) (where X = Cl, Br and pzH = pyrazole). On the basis of indirect evidence all compounds are considered to have extended chain structures with metal ions linked in chains by double bridging pyrazolates. The two [Ni(4-Xpz)2], compounds are diamagnetic while all others are paramagnetic. Variable temperature magnetic susceptibility studies on the paramagnetic compounds reveal antiferromagnetic coupling between neighbouring metal ions. Analysis of the magnetic data (Hamiltonian of the form II = -2J Sigma S-i S-j) yields values of the exchange coupling constant J of -14 to -17 cm(-1) for the [Ni(4-Xdmpz)(2)](x) compounds, -1.2 to -2.1 cm(-1) for the [Mn(4-Xdmpz)(2)](x) compounds, and -0.41 cm(-1) for the [Mn(4-Xpz)(2)(4-XpzH)](x) compounds.},
	keywords = {3, 5-DIMETHYLPYRAZOLATE, ANTIFERROMAGNETIC EXCHANGE, BR, CH3, COMPLEXES, CRYSTAL-STRUCTURE, LIGANDS, MAGNETIC-PROPERTIES, manganese, manganocene, NICKEL, nickelocene, pyrazolates, REACTIVITY},
	isbn = {0008-4042},
	url = {<Go to ISI>://000077277900003},
	author = {Storr, A. and Summers, D. A. and Thompson, R. C.}
}
@article {4412,
	title = {Transition metal azolates from metallocenes. Part 3: Polymeric manganese(II) and nickel(II) pyrazolates; synthesis, characterization, and magnetochemistry},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {76},
	number = {8},
	year = {1998},
	note = {ISI Document Delivery No.: 143VNTimes Cited: 13Cited Reference Count: 37},
	month = {Aug},
	pages = {1130-1137},
	type = {Article},
	abstract = {Direct reactions of nickelocene and manganocene with molten pyrazoles in an inert atmosphere or under vacuum have led to the isolation of the following metal pyrazolate compounds: [Ni(4-Xpz)(2)](x) (where X = EI, CI and pz = pyrazolate); [M(4-Xdmpz)(2)](x) (where X = H, CH3, Cl, Br and M = Ni, Mn and dmpz = 3,5-dimethylpyazolate); and [Mn(4-Xpz)(2)(4-XpzH)](x) (where X = Cl, Br and pzH = pyrazole). On the basis of indirect evidence all compounds are considered to have extended chain structures with metal ions linked in chains by double bridging pyrazolates. The two [Ni(4-Xpz)2], compounds are diamagnetic while all others are paramagnetic. Variable temperature magnetic susceptibility studies on the paramagnetic compounds reveal antiferromagnetic coupling between neighbouring metal ions. Analysis of the magnetic data (Hamiltonian of the form II = -2J Sigma S-i S-j) yields values of the exchange coupling constant J of -14 to -17 cm(-1) for the [Ni(4-Xdmpz)(2)](x) compounds, -1.2 to -2.1 cm(-1) for the [Mn(4-Xdmpz)(2)](x) compounds, and -0.41 cm(-1) for the [Mn(4-Xpz)(2)(4-XpzH)](x) compounds.},
	keywords = {3, 5-DIMETHYLPYRAZOLATE, ANTIFERROMAGNETIC EXCHANGE, BR, CH3, COMPLEXES, CRYSTAL-STRUCTURE, LIGANDS, MAGNETIC-PROPERTIES, manganese, manganocene, NICKEL, nickelocene, pyrazolates, REACTIVITY},
	isbn = {0008-4042},
	url = {<Go to ISI>://000077277900003},
	author = {Storr, A. and Summers, D. A. and Thompson, R. C.}
}
@article {4340,
	title = {Triply-bridged diruthenium(II) 1,4-bis(diphenylphosphino)butane (dppb) and (R)-2,2 {\textquoteright}-bis(diphenylphosphino)-1,1 {\textquoteright}-binaphthyl (binap) complexes, including structural characterisation of [(dppb)ClRu(mu-D2O)-(mu-Cl)(2)RuCl(dppb)], [(eta(2)-H-2)(dppb)Ru(m},
	journal = {Inorganica Chimica Acta},
	volume = {270},
	number = {1-2},
	year = {1998},
	note = {ISI Document Delivery No.: ZD760Times Cited: 31Cited Reference Count: 57},
	month = {Apr},
	pages = {130-144},
	type = {Article},
	abstract = {{Several triply-bridged diruthenium(II)(1,4-bis(diphenylphosphino)butane) complexes were synthesised and characterised by elemental analysis, UV-Vis, NMR and IR spectroscopies, The solid-state structures of [(dppb)ClRu(mu-D2O)(mu-Cl)(2)RuCl(dppb)] (1), [(eta(2)-H-2) (dppb)Ru(mu-Cl)(3)RuCl(dppb)] (2) and [TMP][(dppb)ClRu(mu-Cl)(3)RuCl(dppb)] (3) were established by X-ray crystallographic analyses (TMP=1,1,3-trimethyl-2,3-dihydroperimidinium; dppb = Ph2P(CH2)(4)PPh2). Crystals of 1.1.5C(6)D(6), 2.1.5C(7)D(8) and 3.2Me(2)CO.2H(2)O are all monoclinic, space groups P2(1)/c, P2(1)/n and C2/c, respectively, with Z=4: a=16.8681(6)},
	keywords = {ASYMMETRIC HYDROGENATION, catalytic activity, crystal structures, CRYSTAL-STRUCTURE, DEHYDROGENATION, DINUCLEAR, diphosphine complexes, GENERAL-SYNTHESIS, LIGANDS, PHOSPHINE COMPLEXES, REACTIVITY, ruthenium complexes, triply-bridged complexes},
	isbn = {0020-1693},
	url = {<Go to ISI>://000072720900018},
	author = {Macfarlane, K. S. and Thorburn, I. S. and Cyr, P. W. and Chau, Deky and Rettig, S. J. and James, Brian R.}
}
@article {3979,
	title = {F-19/Si-29 distance determinations in fluoride-containing octadecasil from solid-state NMR measurements},
	journal = {Journal of the American Chemical Society},
	volume = {119},
	number = {50},
	year = {1997},
	note = {ISI Document Delivery No.: YN229Times Cited: 48Cited Reference Count: 76},
	month = {Dec},
	pages = {12210-12222},
	type = {Article},
	abstract = {In the present work we report results from CP, REDOR, and TEDOR NMR experiments carried out to locate the fluoride anions within the three-dimensional framework of the silicate octadecasil. Accurate Si-F distances were obtained-through measurements of the F-19/Si-29 dipolar couplings from these experiments. Weighted, nonlinear least-squares fittings of the REDOR and TEDOR data for the silicons in the D4R units gave an average value of D = 1150 +/- 50 Hz from which the Si-F interatomic distance was calculated to be 2.69 +/- 0.04 Angstrom. This distance is in excellent agreement with the value of 2.63 Angstrom reported from the X-ray determined single crystal structure-and confirms that the F- anions are located inside the D4R units. Calculations and fittings of the REDOR and TEDOR data for the silicons not in the D4R gave = 120 +/- 20 Hz when the specific geometrical (tetrahedral) arrangement of the multiple equivalent fluoride anions surrounding the Si nuclei in these T-2 sites was taken into account. This yields a Si-F distance of 5.7 +/- 0.4 Angstrom, compared to the value 5.69 Angstrom obtained from the diffraction measurements. Factors influencing the selection of the optimum experiments to perform in different situations and the dependence of the results on experimental variables are discussed. These studies clearly establish the viability and reliability of F-19/Si-29 REDOR and TEDOR NMR experiments to obtain distance information which can be used to determine the precise location of fluorine-containing species within such framework structures or in suitable cases to assist in the determination of the framework structure itself where it is unknown.},
	keywords = {3-DIMENSIONAL LATTICE CONNECTIVITIES, CROSS-POLARIZATION, CRYSTAL-STRUCTURE, DOUBLE-RESONANCE NMR, INTERATOMIC DISTANCE, MICROPOROUS, MOLECULAR-SIEVE, P-DICHLOROBENZENE, ROTATIONAL-ECHO, SINGLE-CRYSTAL, SOLIDS},
	isbn = {0002-7863},
	url = {<Go to ISI>://000071146000024},
	author = {Fyfe, C. A. and Lewis, A. R. and Chezeau, J. M. and Grondey, H.}
}
@article {3870,
	title = {Organometallic halides: Preparation and physical and chemical properties of tris[(eta-pentamethylcyclopentadienyl)dichlorovanadium], [(eta-C5Me5)V(mu-Cl)(2)](3)},
	journal = {Organometallics},
	volume = {16},
	number = {9},
	year = {1997},
	note = {ISI Document Delivery No.: WX030Times Cited: 14Cited Reference Count: 60},
	month = {Apr},
	pages = {1865-1869},
	type = {Article},
	abstract = {The cluster [(eta-C5Me5)V(mu-Cl)(2)](3) was synthesized from VCl3(thf)(3) and (Bu3SnC5Me5)-Sn-n. It was oxidized by O-2 to give (eta-C5Me5)VCl2(O), and by NaN3 to give [(eta-C5Me5)VCl(mu-N)](2). X-ray diffraction showed that [(eta-C5Me5)V(mu-Cl)(2)](3) had an equilateral triangle of vanadium atoms (mean V-V 3.367 (2) Angstrom), with each edge of the triangle symmetrically bridged by two chlorine atoms. The cluster contains six core electrons. The cluster [(eta-C5Me5)V(mu-Cl-2](3) had a magnetic moment of 2.92 mu(B) at room temperature and showed antiferromagnetic behavior.},
	keywords = {CHROMIUM(III), CRYSTAL-STRUCTURE, DERIVATIVES, HALF-SANDWICH COMPLEXES, MAIN-GROUP ELEMENTS, multiple bonds, OXIDES, OXO, TRANSITION-METALS, {ALKYLS},
	isbn = {0276-7333},
	url = {<Go to ISI>://A1997WX03000011},
	author = {Abernethy, C. D. and Bottomley, F. and Decken, A. and Thompson, R. C.}
}
@article {4049,
	title = {Synthesis and characterization of 17-valence-electron [CpCr(NO)X-2](-) anions: Oxidatively induced loss of the nitrosyl ligand},
	journal = {Journal of the American Chemical Society},
	volume = {119},
	number = {15},
	year = {1997},
	note = {ISI Document Delivery No.: WU272Times Cited: 13Cited Reference Count: 123},
	month = {Apr},
	pages = {3513-3522},
	type = {Review},
	abstract = {Several anionic and paramagnetic [CpCr(NO)X-2](-) complexes (X = I [1], O3SCF3 (OTf) [2], Br [3], Cl [4]) have been prepared as potential precursors to neutral CpCr(NO)X-2 species. Reaction of [CpCr(NO)I](2) with [NBu4]I provides [NBu4][1], and halide abstraction from [NBu4][1] with 2 equiv of AgOTf affords [NBu4][2]. The weakly-bound OTf- ligands of [NBu4][2] are readily displaced by Br- to produce [NBu4][3]. The dichloro complexes [NEt4][4] and [PPN][4] are obtained by treating [CpCr(NO)Cl](2) with [NE4]Cl and [PPN]Cl, respectively. Use of acetonitrile as reaction solvent allows generation of the requisite [CpCr(NO)Cl](2) directly from CpCr(NO)(CO)(2) and PCl5, a marked improvement over previous synthetic routes to this dimer. Similar halogenations of Cp*Cr(NO)(CO)(2) in NCMe provide access to the previously unknown [Cp*Cr(NO)I](2) (5), and [Cp*Cr(NO)Cl](2) (6), halo-bridged, and dimers. The solid-state molecular structure of [PPN][4]. CH2Cl2 has been established by single-crystal X-ray crystallography to be a normal three-legged piano stool. The one-electron oxidation of [4] has been investigated both chemically (by reaction with [Cp2Fe](+)) and electrochemically (by cyclic voltammetry). These studies suggest that upon oxidation a high-spin CpCr(NO)Cl-2 complex is initially formed which then rapidly releases NO. Extended Huckel molecular-orbital calculations have been performed on [4], [CpCr(CO)(3)](-), and [CpCrCl3](-), three CpCr-containing anions with ligands of varying pi-bonding capabilities. Correlations between their orbital energies and electron occupancies and a rationale for the lability of the NO ligand in neutral CpCr(NO)Cl-2 are provided.},
	keywords = {CATALYSTS, COMPOUNDS, CRYSTAL-STRUCTURE, ETHYLENE POLYMERIZATION, MOLECULAR-STRUCTURE, ORGANOMETALLIC CHEMISTRY, {AMINOCARBYNE COMPLEXES},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1997WU27200013},
	author = {Legzdins,Peter and McNeil, W. S. and Rettig, S. J. and Smith, K. M.}
}
@article {4116,
	title = {Transition metal azolates from metallocenes .2. Synthesis, X-ray structure, and magnetic properties of a three-dimensional polymetallic Iron(II) imidazolate complex, a low-temperature weak ferromagnet},
	journal = {Journal of the American Chemical Society},
	volume = {119},
	number = {37},
	year = {1997},
	note = {ISI Document Delivery No.: XW696Times Cited: 57Cited Reference Count: 49},
	month = {Sep},
	pages = {8675-8680},
	type = {Article},
	abstract = {{The reaction of ferrocene with molten imidazole at 150 degrees C yielded pale yellow crystals of composition [Fe-3(imid)(6)(imidH)(2)](x). Crystals of [Fe-3(imid)(6)(imidH)(2)](x) are monoclinic},
	keywords = {3, 5-DIMETHYLPYRAZOLATE, BRIDGED COMPLEXES, COPPER(II) COMPLEXES, CRYSTAL-STRUCTURE, DINUCLEAR COMPLEX, EXCHANGE INTERACTION, MOLECULAR-STRUCTURES, MONONUCLEAR, PYRAZOLATE POLYMERS, ROUTE},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1997XW69600011},
	author = {Rettig, S. J. and Storr, A. and Summers, D. A. and Thompson, R. C. and Trotter, J.}
}
@article {4116,
	title = {Transition metal azolates from metallocenes .2. Synthesis, X-ray structure, and magnetic properties of a three-dimensional polymetallic Iron(II) imidazolate complex, a low-temperature weak ferromagnet},
	journal = {Journal of the American Chemical Society},
	volume = {119},
	number = {37},
	year = {1997},
	note = {ISI Document Delivery No.: XW696Times Cited: 57Cited Reference Count: 49},
	month = {Sep},
	pages = {8675-8680},
	type = {Article},
	abstract = {{The reaction of ferrocene with molten imidazole at 150 degrees C yielded pale yellow crystals of composition [Fe-3(imid)(6)(imidH)(2)](x). Crystals of [Fe-3(imid)(6)(imidH)(2)](x) are monoclinic},
	keywords = {3, 5-DIMETHYLPYRAZOLATE, BRIDGED COMPLEXES, COPPER(II) COMPLEXES, CRYSTAL-STRUCTURE, DINUCLEAR COMPLEX, EXCHANGE INTERACTION, MOLECULAR-STRUCTURES, MONONUCLEAR, PYRAZOLATE POLYMERS, ROUTE},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1997XW69600011},
	author = {Rettig, S. J. and Storr, A. and Summers, D. A. and Thompson, R. C. and Trotter, J.}
}
@article {4116,
	title = {Transition metal azolates from metallocenes .2. Synthesis, X-ray structure, and magnetic properties of a three-dimensional polymetallic Iron(II) imidazolate complex, a low-temperature weak ferromagnet},
	journal = {Journal of the American Chemical Society},
	volume = {119},
	number = {37},
	year = {1997},
	note = {ISI Document Delivery No.: XW696Times Cited: 57Cited Reference Count: 49},
	month = {Sep},
	pages = {8675-8680},
	type = {Article},
	abstract = {{The reaction of ferrocene with molten imidazole at 150 degrees C yielded pale yellow crystals of composition [Fe-3(imid)(6)(imidH)(2)](x). Crystals of [Fe-3(imid)(6)(imidH)(2)](x) are monoclinic},
	keywords = {3, 5-DIMETHYLPYRAZOLATE, BRIDGED COMPLEXES, COPPER(II) COMPLEXES, CRYSTAL-STRUCTURE, DINUCLEAR COMPLEX, EXCHANGE INTERACTION, MOLECULAR-STRUCTURES, MONONUCLEAR, PYRAZOLATE POLYMERS, ROUTE},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1997XW69600011},
	author = {Rettig, S. J. and Storr, A. and Summers, D. A. and Thompson, R. C. and Trotter, J.}
}
@article {3777,
	title = {A biomimetic study of cytochrome P450 related oxidations of toluenes using synthetic hemin},
	journal = {Bulletin of the Chemical Society of Japan},
	volume = {69},
	number = {12},
	year = {1996},
	note = {ISI Document Delivery No.: WB844Times Cited: 6Cited Reference Count: 68},
	month = {Dec},
	pages = {3513-3521},
	type = {Article},
	abstract = {A mechanistic study of the oxidation of toluene and its derivatives in a model system designed to mimic cytochrome P450 (P450) using iron tetrakis(2,6-dichlorophenyl)porphyrin chloride (FeTPPC8Cl) and pentafluoroiodosylbenzene (PFIB:C(6)F(5)lO) in dichloromethane is reported. The oxidation products were the corresponding benzyl alcohols and aldehydes; no further oxidation products were observed. The relative reaction rates were obtained in competitive reactions including the use of deuterated analogues. In the present model system, Hammett plots and isotope effects indicated conclusively that the rate-determining step was a hydrogen atom abstraction to the oxoiron intermediate which was then followed by a rebound of an OH group. The concerted mechanism and the rebound mechanism were discussed in terms of the differences in reactivities between the model system and natural P450 enzymes and similar monooxygenation enzymes.},
	keywords = {ALIPHATIC, AROMATIC-COMPOUNDS, CRYSTAL-STRUCTURE, DEPENDENT MONO-OXYGENASES, HYDROGEN-PEROXIDE, HYDROXYLATION, INDUCED, IRON(III) PORPHYRINS, LIVER MICROSOMAL CYTOCHROME-P-450, METABOLISM, MODEL SYSTEMS, RAT-LIVER},
	isbn = {0009-2673},
	url = {<Go to ISI>://A1996WB84400017},
	author = {Nakano, T. and Agatsuma, N. and Kodama, S. and Kakuda, H. and Dolphin, D.}
}
@article {3831,
	title = {Interaction of derivatized capped iron(II) porphyrin complexes with CO and O-2},
	journal = {Inorganic Chemistry},
	volume = {35},
	number = {22},
	year = {1996},
	note = {ISI Document Delivery No.: VP449Times Cited: 5Cited Reference Count: 51},
	month = {Oct},
	pages = {6539-6545},
	type = {Article},
	abstract = {{A series of porphyrins strapped and capped by benzene and amidobenzene rings have been prepared. O-2 and CO bindings to their iron(II) complexes have been examined, and the role of hydrogen-bonding in stabilizing O-2 binding has been measured. Each comparison between the benzene ring (no H-bonding) and the amidobenzene ring analogues showed a free energy gain of similar to 1 kcal/mol (at -45 degrees C) for the amidobenzene derivatives. An X-ray structure analysis was carried out for the ferric (Cl-) complex of the benzene-capped porphyrin strapped by two butyl side chains. The crystals were monoclinic, with a = 10.557(3) Angstrom},
	keywords = {CARBON-MONOXIDE BINDING, cobalt, CRYSTAL-STRUCTURE, CYCLOPHANE HEMES, DIOXYGEN BINDING, DISTAL POLAR, HEME-PROTEINS, HUMAN OXYHEMOGLOBIN, LIGAND-BINDING, MYOGLOBINS, O2 BINDING},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1996VP44900026},
	author = {Tang, H. and Dolphin, D.}
}
@article {3657,
	title = {Solution structure of the ETS domain from murine Ets-1: A winged helix-turn-helix DNA binding motif},
	journal = {Embo Journal},
	volume = {15},
	number = {1},
	year = {1996},
	note = {ISI Document Delivery No.: TQ160Times Cited: 113Cited Reference Count: 68},
	month = {Jan},
	pages = {125-134},
	type = {Article},
	abstract = {Ets-1 is the prototypic member of the ets family of transcription factors, This family is characterized by the conserved ETS domain that mediates specific DNA binding, Using NMR methods, we have determined the structure of a fragment of murine Ets-1 composed of the 85 residue ETS domain and a 25 amino acid extension that ends at its native C-terminus. The ETS domain folds into a helix-turn-helix moth on a four-stranded anti-parallel beta-sheet scaffold. This structure places Ets-1 in the winged helix-turn-helix (wHTH) family of DNA binding proteins and provides a model for interpreting the sequence conservation of the ETS domain and the specific interaction of Ets-1 with DNA. The C-terminal sequence of Ets-1, which is mutated in the v-Ets oncoprotein, forms an alpha-helix that packs anti-parallel to the N-terminal helix of the ETS domain, In this position, the C-terminal helix is poised to interact directly with an N-terminal inhibitory region in Ets-1 as well as the wHTH motif. This explains structurally the concerted role of residues flanking the ETS domain in the intramolecular inhibition of Ets-1 DNA binding.},
	keywords = {AMINO-ACID SUBSTITUTION, C-13, C-ETS-1, COUPLING-CONSTANTS, CRYSTAL-STRUCTURE, DNA binding, ERYTHROBLASTOSIS, FACTORS, GENE FAMILY, intramolecular inhibition, protein NMR structure, PROTEINS, selective labelling, transcription, V-ETS, winged helix-turn-helix},
	isbn = {0261-4189},
	url = {<Go to ISI>://A1996TQ16000013},
	author = {Donaldson, L. W. and Petersen, J. M. and Graves, B. J. and McIntosh, L. P.}
}
@article {3819,
	title = {Structural coupling of the inhibitory regions flanking the ETS domain of murine Ets-1},
	journal = {Protein Science},
	volume = {5},
	number = {2},
	year = {1996},
	note = {ISI Document Delivery No.: TU724Times Cited: 46Cited Reference Count: 66},
	month = {Feb},
	pages = {296-309},
	type = {Article},
	abstract = {Several members of the ets gene family of transcription factors show negative regulation of DNA binding by intramolecular interactions. A structural mechanism for this auto-inhibition is investigated using a 161-residue N-terminal deletion mutant of murine Ets-1, Ets-1 Delta N280. This protein shows a similar reduced affinity for DNA as native Ets-1 because it contains the ETS domain in context of the flanking amino- and carboxy-terminal regions that together mediate repression of DNA binding. The secondary structure of Ets-1 Delta N280 was determined using NMR chemical shift, NOE, J coupling, and amide hydrogen exchange information. In addition to the winged helix-turn-helix ETS domain, Ets-1 Delta N280 contains two alpha-helices in the amino-terminal inhibitory region and one alpha-helix in the carboxy-terminal inhibitory region. Chemical shift comparisons were made between this protein and an activated form of Ets-1 lacking the amino-terminal inhibitory region. The spectral differences demonstrate that the amino- and carboxy-terminal inhibitory sequences are structurally coupled to one another, thus explaining the observation that both regions are required for the repression of DNA binding. Furthermore, these data show that the inhibitory sequences also interact directly with the first helix of the intervening ETS domain, thereby providing a pathway for the repression of DNA binding. These results lead to a model of an inhibitory module in Ets-1 composed of both the amino- and carboxy-terminal regions interfaced with the ETS domain. This establishes the structural framework for understanding the intramolecular inhibition of Ets-1 DNA binding.},
	keywords = {3-DIMENSIONAL NMR-SPECTROSCOPY, allosteric, ASSIGNMENT, CRYSTAL-STRUCTURE, DNA binding, DNA-BINDING MOTIF, ETS domain, Ets-1 and Ets-2, FACTORS, H-1, INHIBITION, INTRAMOLECULAR, LARGER PROTEINS, N-15 NMR, NMR, protein structure, SPECTRA, transcription, V-ETS, winged helix-turn-helix},
	isbn = {0961-8368},
	url = {<Go to ISI>://A1996TU72400014},
	author = {Skalicky, J. J. and Donaldson, L. W. and Petersen, J. M. and Graves, B. J. and McIntosh, L. P.}
}
@article {3806,
	title = {Synthesis, characterization, and reactivity of a ruthenium(II) N,N{\textquoteright},N{\textquoteright}{\textquoteright}-tris(2-pyridyl)phosphine complex. X-ray analysis of RuCl2(PPh(3))(Ppy(3)) (py equals 2-pyridyl)},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {74},
	number = {11},
	year = {1996},
	note = {ISI Document Delivery No.: WC124Times Cited: 10Cited Reference Count: 32},
	month = {Nov},
	pages = {2064-2072},
	type = {Article},
	abstract = {{Reaction of RuCl2(PPh(3))(3) with Ppy(3) (py = 2-pyridyl) in benzene produced the N,N{\textquoteright},N {\textquoteright}{\textquoteright}-Ppy(3) complex RuCl2(PPh(3))(Ppy(3)) 1. Crystals of RuCl2(PPh(3))(Ppy(3)). 2CH(2)Cl(2)(C35H31Cl6N3P2Ru) are monoclinic},
	keywords = {COORDINATION, crystal structure, CRYSTAL-STRUCTURE, LIGANDS, MOLECULAR-STRUCTURES, phosphine, pyridylphosphines, ruthenium},
	isbn = {0008-4042},
	url = {<Go to ISI>://A1996WC12400022},
	author = {Schutte, R. P. and Rettig, S. J. and James, Brian R.}
}
@article {3625,
	title = {Synthesis of meso-phenyl-4,6-dipyrrins, preparation of their Cu(II), Ni(II), and Zn(II) chelates, and structural characterization of bis[meso-phenyl-4,6-dipyrrinato]Ni(II)},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {74},
	number = {11},
	year = {1996},
	note = {ISI Document Delivery No.: WC124Times Cited: 73Cited Reference Count: 58},
	month = {Nov},
	pages = {2182-2193},
	type = {Article},
	abstract = {{meso-Phenyldipyrromethanes can be oxidized by 2,6-dicyano-3,5-dichloro-para-benzoquinone (DDQ) to the corresponding meso-phenyldipyrrins. As expected, these novel, stable bipyrrolic pigments readily form metal chelates with copper(II), nickel(II), and zinc(II). Their W-VIS spectra are compared with a series of blown alkyl-substituted dipyrrin chelates and, based oil the W-VIS spectral analysis, the dihedral angle between the two ligands iri the bis[meso-phenyldipyrrinato]Ni(II) complex was calculated to be 42 degrees. The molecular structure of this complex was determined by X-ray crystallography, essentially confirming the calculation. Crystals of C30H22N4Ni are orthorhombic},
	keywords = {CRYSTAL-STRUCTURE, DIPYRROMETHENES, LIGANDS, meso-phenyldipyrrinato transition metal chelates, meso-phenyldipyrrins, meso-phenyldipyrromethanes, MOLECULAR, PYRROLE PIGMENTS, STEREOCHEMISTRY, TRANSITION-METAL COMPLEXES, X-RAY CRYSTALLOGRAPHY},
	isbn = {0008-4042},
	url = {<Go to ISI>://A1996WC12400032},
	author = {Bruckner, C. and Karunaratne, V. and Rettig, S. J. and Dolphin, D.}
}
@article {3627,
	title = {Synthesis, structure and magnetic properties of an asymmetric dinuclear oxocitratovanadate(IV) complex},
	journal = {Inorganica Chimica Acta},
	volume = {251},
	number = {1-2},
	year = {1996},
	note = {ISI Document Delivery No.: VX967Times Cited: 32Cited Reference Count: 19},
	month = {Oct},
	pages = {75-79},
	type = {Article},
	abstract = {{Evaporation of an aqueous solution containing VO2+, citric acid and neocuproine (2},
	keywords = {asymmetric, citrate complexes, COMPLEXES, crystal structures, CRYSTAL-STRUCTURE, DIMER, DINUCLEAR COMPLEXES, nitrogenase, VANADYL COMPLEXES},
	isbn = {0020-1693},
	url = {<Go to ISI>://A1996VX96700011},
	author = {Burojevic, S. and Shweky, I. and Bino, A. and Summers, D. A. and Thompson, R. C.}
}
@article {3470,
	title = {ANTIFERROMAGNETISM AND METAMAGNETISM IN 1,4-DIAZINE AND PYRIDINE COMPLEXES OF NICKEL(II)},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {73},
	number = {2},
	year = {1995},
	note = {ISI Document Delivery No.: QQ128Times Cited: 9Cited Reference Count: 54},
	month = {Feb},
	pages = {275-283},
	type = {Article},
	abstract = {Several nickel(II) complexes containing pyridine (py), pyrazine (pyz) or methylpyrazine (mepyz) have been synthesized and characterized by vibrational and electronic spectroscopy, differential scanning calorimetry, and magnetic susceptibility studies to cryogenic temperatures. A comparison of the magnetic properties of the polymeric diazine-bridged complexes, Ni(pyz)(2)X(2) (X = Cl or NO3), Ni(pyz)(p-CH3C6H4SO3)(2), Ni(mepyz)(NO3)(2), and Ni(pyz)(3)(CH3SO3)(2).CH3OH with those of the related monometallic systems, Ni(py)(4)X(2) (X = Cl, p-CH3C6H4SO3 or CH3SO3) and Ni(mepyz)(4)(NO3)(2).H2O provides evidence for weak antiferromagnetic coupling between metal centers mediated by bridging diazine ligands in the former group of compounds. The magnetic properties were analyzed employing a model for S = 1 which takes into account zero-field splitting and employs a molecular field term to account for weak magnetic exchange. The compounds Ni(pyz)Cl-2 and Ni(py)Cl-2, show metamagnetic behaviour with critical fields of 13 and 2 kOe, respectively, at 2 K. In these compounds nickel ions, linked in chains by bridging chlorides, exhibit intrachain ferromagnetic and interchain antiferromagnetic exchange. In Ni(pyz)Cl-2, bridging pyrazine ligands are considered to provide the pathway for the antiferromagnetic coupling resulting in a high critical field.},
	keywords = {ANTIFERROMAGNETISM, BRIDGED COPPER(II) COMPLEXES, CHAIN, COMPLEXES, CRYSTAL-STRUCTURE, MAGNETIC EXCHANGE, METAMAGNETISM, MOLECULAR-STRUCTURES, NICKEL(II), polymer, Pyrazine, PYRIDINE, SUPEREXCHANGE MECHANISM, SUSCEPTIBILITY},
	isbn = {0008-4042},
	url = {<Go to ISI>://A1995QQ12800015},
	author = {Otieno, T. and Thompson, R. C.}
}
@article {3581,
	title = {ANTIMONY(III) FLUORIDE FLUOROSULFATES - SYNTHESES AND MOLECULAR-STRUCTURES OF ANTIMONY(III) DIFLUORIDE FLUOROSULFATE [SBF2(SO3F)](X), ANTIMONY(III) FLUORIDE BIS(FLUOROSULFATE) [SBF(SO3F)(2)](X), AND ANTIMONY(III) TRIS(FLUOROSULFATE) [SB(SO3F)(3)](X)},
	journal = {Inorganic Chemistry},
	volume = {34},
	number = {12},
	year = {1995},
	note = {ISI Document Delivery No.: RC424Times Cited: 7Cited Reference Count: 52},
	month = {Jun},
	pages = {3153-3164},
	type = {Article},
	abstract = {{Following unsuccessful attempts to confirm the existence of previously reported antimony(I) fluorosulfate, Sb(SO3F), the reaction of antimony and fluorosulfuric acid is reinvestigated and synthetic routes are developed that allow the preparation of polymeric [SbF2(SO3F)](x), [SbF(SO3F)(2)](x), and [Sb(SO3F)(3)](x). Recrystallization from fluorosulfuric acid is found to produce single crystals of all three materials, which are suitable for molecular structure determinations by single-crystal X-ray diffraction. Crystals of [SbF2(SO3F)](x) are orthorhombic},
	keywords = {CRYSTAL-STRUCTURE, DERIVATIVES, MOSSBAUER, SPECTRA},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1995RC42400005},
	author = {Zhang, D. L. and Rettig, S. J. and Trotter, J. and Aubke, F.}
}
@article {3581,
	title = {ANTIMONY(III) FLUORIDE FLUOROSULFATES - SYNTHESES AND MOLECULAR-STRUCTURES OF ANTIMONY(III) DIFLUORIDE FLUOROSULFATE [SBF2(SO3F)](X), ANTIMONY(III) FLUORIDE BIS(FLUOROSULFATE) [SBF(SO3F)(2)](X), AND ANTIMONY(III) TRIS(FLUOROSULFATE) [SB(SO3F)(3)](X)},
	journal = {Inorganic Chemistry},
	volume = {34},
	number = {12},
	year = {1995},
	note = {ISI Document Delivery No.: RC424Times Cited: 7Cited Reference Count: 52},
	month = {Jun},
	pages = {3153-3164},
	type = {Article},
	abstract = {{Following unsuccessful attempts to confirm the existence of previously reported antimony(I) fluorosulfate, Sb(SO3F), the reaction of antimony and fluorosulfuric acid is reinvestigated and synthetic routes are developed that allow the preparation of polymeric [SbF2(SO3F)](x), [SbF(SO3F)(2)](x), and [Sb(SO3F)(3)](x). Recrystallization from fluorosulfuric acid is found to produce single crystals of all three materials, which are suitable for molecular structure determinations by single-crystal X-ray diffraction. Crystals of [SbF2(SO3F)](x) are orthorhombic},
	keywords = {CRYSTAL-STRUCTURE, DERIVATIVES, MOSSBAUER, SPECTRA},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1995RC42400005},
	author = {Zhang, D. L. and Rettig, S. J. and Trotter, J. and Aubke, F.}
}
@article {3566,
	title = {{KINETIC AND MECHANISTIC ASPECTS OF SULFUR ABSTRACTION FROM PD(2)X(2)(MU-S)(MU-DPM)(2) USING DPM OR DPMME [X=HALIDE},
	journal = {Inorganic Chemistry},
	volume = {34},
	number = {9},
	year = {1995},
	note = {ISI Document Delivery No.: QV824Times Cited: 23Cited Reference Count: 30},
	month = {Apr},
	pages = {2278-2286},
	type = {Article},
	abstract = {Solution kinetic and mechanistic studies were performed on the abstraction of sulfur from Pd(2)X(2)(mu-S)(mu-dpm)(2) [X = Cl (2a), Br (2b), I(2c)] using bis(diphenylphosphino)methane (dpm) to give, respectively, Pd(2)X(2)(dpm)(2) [X = Cl (1a), Br (1b), I (1c)] and dpm(S). The reaction is first-order in both 2 and dpm with the reactivity trend in CHCl3 being X = Cl > Br > I. The activation parameters for the chloride system are Delta H-double dagger = 41 +/- 3 kJ mol(-1) and Delta S-double dagger = -127 +/- 10 J K-1 mol(-1), and for the bromide, Delta H-double dagger = 38 +/- 1 kJ mol(-1) and Delta S-double dagger = -144 +/- 4 J K-1 mol(-1), showing the entropy term is dominant in governing reactivity. Low-temperature NMR studies did not reveal the presence of observable intermediates. 2b and 1b undergo rapid diphosphine ligand exchange with dpm-d(2); with 2b, prior to any S-abstraction, Pd2Br2(mu-S)(dpm)(dpm-d(2)) (7b) and Pd2Br2(mu-S)(dpm-d(2))(2) (8b) are present, while Pd2Br2(dpm)(dpm-d(2)) (3b) and Pd2Br2(dpm-d(2))(2) (4b) are formed, as well as 1b and dpm(S)-d(2), in the abstraction reaction of 2b with dpm-d(2). The distribution of products is close to statistical on the basis of the stoichiometries of the reactants. Reaction of 2b with 1,1{\textquoteright}-bis(diphenylphosphino)ethane (dpmMe) proceeds in an analogous way generating 1b, Pd2Br2(dpm)(dpmMe) (5b), Pd2Br2(dpmMe)(2) (6b), dpm(S), and dpmMe(S). In contrast, 1b undergoes slow diphosphine ligand exchange with dpmMe to form 5b and 6b; 2b undergoes no ligand exchange with dpmMe prior to the S-abstraction reaction. The findings are rationalized in terms of postulated intermediates and transition states that include formulations with three equivalent diphosphines. No sulfur abstraction occurs on treating 2b with PPh(3), PPh(2)Me, or Ph(2)P(CH2)(3)PPh(2).},
	keywords = {BIS(DIPHENYLPHOSPHINO)METHANE DPM, BIS-PHOSPHORUS LIGANDS, COMPLEXES, CRYSTAL-STRUCTURE, DERIVATIVES, DINUCLEAR PALLADIUM(I), HYDROGEN-SULFIDE, METAL-METAL BONDS, MONONUCLEAR, Pd(I)},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1995QV82400007},
	author = {Wong, T. Y. H. and Barnabas, A. F. and Sallin, D. and James, Brian R.}
}
@article {3429,
	title = {LEED CRYSTALLOGRAPHIC DETERMINATION FOR THE RESTRUCTURED SURFACE FORMED BY PHOSPHORUS BONDED AT CU(110)},
	journal = {Chemical Physics},
	volume = {198},
	number = {1-2},
	year = {1995},
	note = {ISI Document Delivery No.: RT464Times Cited: 2Cited Reference Count: 34},
	month = {Sep},
	pages = {235-243},
	type = {Article},
	abstract = {LEED crystallography is used to study the ordered ((2)(-11) (2)) surface structure formed on reacting PH3 with the Cu(110) surface followed by an anneal at 720 K. Intensity-versus-energy curves were measured with a video system for 13 diffracted beams at normal incidence, and they were analyzed with multiple-scattering calculations. The best correspondence between experimental and calculated I(E) curves indicates a new type of structural model in which a half-monolayer of P reconstructs the original metal surface, in effect by adding a quarter-monolayer of Cu atoms to form rows in the [112] direction. In this structure, each adsorbed P atom has six-fold coordination, and all Cu atoms in the top two metal layers bond to two P atoms. The average P-Cu length is 2.33 Angstrom, in reasonable correspondence with expectation from the structure of bulk Cu3P. Comparsions are made with other related systems.},
	keywords = {chemisorption, CRYSTAL-STRUCTURE, ENERGY ELECTRON-DIFFRACTION, OXYGEN},
	isbn = {0301-0104},
	url = {<Go to ISI>://A1995RT46400019},
	author = {Liu, W. and Vu, D. T. and Mitchell, K. A. R.}
}
@article {3478,
	title = {MODULATION OF TRANSCRIPTION FACTOR ETS-1 DNA-BINDING - DNA-INDUCED UNFOLDING OF AN ALPHA-HELIX},
	journal = {Science},
	volume = {269},
	number = {5232},
	year = {1995},
	note = {ISI Document Delivery No.: RX194Times Cited: 143Cited Reference Count: 49},
	month = {Sep},
	pages = {1866-1869},
	type = {Article},
	abstract = {Conformational changes, including local protein folding, play important roles in protein-DNA interactions. Here, studies of the transcription factor Ets-1 provided evidence that local protein unfolding also can accompany DNA binding. Circular dichroism and partial proteolysis showed that the secondary structure of the Ets-1 DNA-binding domain is unchanged in the presence of DNA. In contrast, DNA allosterically induced the unfolding of an cr helix that lies within a flanking region involved in the negative regulation of DNA binding. These findings suggest a structural basis for the intramolecular inhibition of DNA binding and a mechanism for the cooperative partnerships that are common features of many eukaryotic transcription factors.},
	keywords = {BASIC REGION, CRYSTAL-STRUCTURE, DOMAIN, FAMILY, GCN4, INDUCED CONFORMATIONAL CHANGE, PROTEIN-KINASES, REPRESSOR, SEQUENCE, SUBUNITS},
	isbn = {0036-8075},
	url = {<Go to ISI>://A1995RX19400036},
	author = {Petersen, J. M. and Skalicky, J. J. and Donaldson, L. W. and McIntosh, L. P. and Alber, T. and Graves, B. J.}
}
@article {3320,
	title = {NET AMINE DEALKYLATION AT A DIRUTHENIUM CENTER - DEHYDROGENATION OF A SECONDARY AMINE AND HYDROLYSIS OF A COORDINATED IMINE},
	journal = {Inorganic Chemistry},
	volume = {34},
	number = {10},
	year = {1995},
	note = {ISI Document Delivery No.: QX706Times Cited: 26Cited Reference Count: 36},
	month = {May},
	pages = {2557-2561},
	type = {Article},
	abstract = {Reaction of excess benzylamine with Ru2Cl4(dppb)(2) (1) or RuCl2(dppb)(PPh(3)) (2) under Ar or with Ru2Cl5(dppb)(2) (3) under H-2 or in air generates RuCl2(dppb)(NH(2)CH(2)Ph)(2) [dppb = 1,4-bis(diphenylphosphino)butane, Ph(2)P(CH2)(4)PPh(2)]. Use of 1 equiv of amine per [Ru(II)](2) gives dinuclear Ru2Cl4(dppb)(2)(NH(2)CH(2)Ph) (4a) as a mixture of isomers. The corresponding reactions with dibenzylamine yield only dinuclear products: either Ru2Cl4(dppb)(2)[NH(CH(2)Ph)(2)] (4b), for reactions under H-2, or a mixture of this species and the dealkylation product 4a. The mechanism proposed for formation of the latter involves dehydrogenation of the secondary amine adduct to Ru2Cl4(dppb)(2)[PhCH(2)N=C(H)Ph], followed by hydrolysis of the coordinated imine. Direct reaction of PhCH(2)N=C(H)Ph with 3 under H-2 permits isolation of solely 4b. The findings are of interest also in context of thermal degradation of tertiary amines and hydrogenation of imines catalyzed by Ru ditertiary phosphine complexes.},
	keywords = {ACTIVATION, CATALYSTS, COMPLEXES, CONVERSION, CRYSTAL-STRUCTURE, DIHYDROGEN, PHOSPHINE COMPLEXES, PORPHYRIN, REACTIVITY, ruthenium complexes, TERTIARY-AMINES},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1995QX70600012},
	author = {Fogg, D. E. and James, Brian R.}
}
@article {3469,
	title = {PYRIDAZINE COMPLEXES OF COPPER(II) NITRATE - SYNTHESIS AND STRUCTURAL AND MAGNETIC STUDIES},
	journal = {Inorganic Chemistry},
	volume = {34},
	number = {7},
	year = {1995},
	note = {ISI Document Delivery No.: QP839Times Cited: 33Cited Reference Count: 44},
	month = {Mar},
	pages = {1718-1725},
	type = {Article},
	abstract = {{The pyridazine (pdz) complexes [Cu(pdz)(3)(NO3)(3)]Cu-2, 1, [Cu(pdz)(3)(NO3)(2)], 2, [Cu(pdz)(4)(NO3)(2)] 3, and [Cu(pdz)(4)(NO3)][NO3], 4, have been prepared and characterized by spectroscopic methods, magnetic susceptibility measurements and, for 1 and 4, by single crystal X-ray diffraction. 1 crystallizes in the monoclinic space group P2(1)/n, with a = 8.938(1) Angstrom},
	keywords = {CRYSTAL-STRUCTURE, EXCHANGE, LIGANDS, Pyrazine, SERIES},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1995QP83900018},
	author = {Otieno, T. and Rettig, S. J. and Thompson, R. C. and Trotter, J.}
}
@article {3469,
	title = {PYRIDAZINE COMPLEXES OF COPPER(II) NITRATE - SYNTHESIS AND STRUCTURAL AND MAGNETIC STUDIES},
	journal = {Inorganic Chemistry},
	volume = {34},
	number = {7},
	year = {1995},
	note = {ISI Document Delivery No.: QP839Times Cited: 33Cited Reference Count: 44},
	month = {Mar},
	pages = {1718-1725},
	type = {Article},
	abstract = {{The pyridazine (pdz) complexes [Cu(pdz)(3)(NO3)(3)]Cu-2, 1, [Cu(pdz)(3)(NO3)(2)], 2, [Cu(pdz)(4)(NO3)(2)] 3, and [Cu(pdz)(4)(NO3)][NO3], 4, have been prepared and characterized by spectroscopic methods, magnetic susceptibility measurements and, for 1 and 4, by single crystal X-ray diffraction. 1 crystallizes in the monoclinic space group P2(1)/n, with a = 8.938(1) Angstrom},
	keywords = {CRYSTAL-STRUCTURE, EXCHANGE, LIGANDS, Pyrazine, SERIES},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1995QP83900018},
	author = {Otieno, T. and Rettig, S. J. and Thompson, R. C. and Trotter, J.}
}
@article {3006,
	title = {DIOXYGEN AND CARBON-MONOXIDE BINDING TO APOLAR CYCLOPHANE HEMES - DURENE-CAPPED HEMES},
	journal = {Journal of the American Chemical Society},
	volume = {116},
	number = {1},
	year = {1994},
	note = {ISI Document Delivery No.: MT212Times Cited: 40Cited Reference Count: 48},
	month = {Jan},
	pages = {6-14},
	type = {Article},
	abstract = {Detailed solution kinetic and equilibria data (mainly in toluene) are presented for the reversible binding of CO and O2 to the five-coordinate hemes Fe(por)B, where B is 1,5-dicyclohexylimidazole or 1,2-dimethylimidazole (chosen to mimic the R- and T-states, respectively) and por = the dianion of some durene-capped porphyrins with variable length linking methylene straps on either side of the durene moiety (4/4, 5/5, or 7/7 methylenes). Use of spectrophotometric equilibrium titrations from 30 to -50-degrees-C, stopped-flow data, and laser flash photolysis under either CO or CO/O2 mixtures, has allowed for determination of on and off rates, equilibrium constants, and, in the case of the 4/4-system, thermodynamic constants for the binding. Increasing steric hindrance provided by the durene cap, in the order 7/7 < 5/5 < 4/4, is generally less than expected from studies with other heme derivatives; in combination with the complete absence of polarity effects, as within nonpolar distal sites, the durene hemes exhibit poor differentiation between CO and O2. However, the distorted 4/4-derivative discriminates between CO and O2 in a novel way through a {\textquoteright}{\textquoteright}proximal effect{\textquoteright}{\textquoteright} associated with deformation of the porphyrin skeleton from planarity, the effect being largely reflected by an increased CO dissociation rate.},
	keywords = {BINDING, CO, CRYSTAL-STRUCTURE, FREE-BASE, HEMOGLOBIN, IRON(II) PORPHYRINS, LIGAND-BINDING, O-2, O2 BINDING, SPERM WHALE, T-STATE},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1994MT21200002},
	author = {David, S. and James, Brian R. and Dolphin, D. and Traylor, T. G. and Lopez, M. A.}
}
@article {2968,
	title = {ORGANOMETALLIC OXIDES - PREPARATION AND PROPERTIES OF THE CLUSTERS (ETA-C(5)ME(5))(4)MO5O11 AND ([(ETA-C(5)ME(5))MO](3)(MU-OH)(N)(MU-O)(6-N))CL-2},
	journal = {Journal of the American Chemical Society},
	volume = {116},
	number = {18},
	year = {1994},
	note = {ISI Document Delivery No.: PF913Times Cited: 22Cited Reference Count: 39},
	month = {Sep},
	pages = {7989-7995},
	type = {Article},
	abstract = {{Reaction of [(eta-C(5)Me(5))Mo(O)(mu-O)](2) with [(eta-C(5)Me(5))Mo(CO)(2)]2 plus O-2 give (eta-C(5)Me(5))(4)Mo5O11. This cluster contains (eta-C(5)Me(5))Mo(O)(2) attached to a [(eta-C(5)Me(5))Mo(mu-O)](3)(mu(3)-O)(3)Mo(O)(2) unit-by a bridging oxygen atom. The [Mo(mu-O)](3)(mu(3)-O)(3)Mo structure is favored over the alternative adamantane-like [M(4)(mu-O)(6)] structure because of the pi-bonding of the terminal oxygen atoms attached to the apical Mb atom. The [(eta-C(5)Me(5))Mo(mu-O)](3)(mu(3)-O)(3)Mo(O)(2) unit contains four cluster electrons which are associated with the three basal molybdenum atoms. The magnetic moment of (eta-C(5)Me(5))(4)Mo4O11 was 3.16 mu(B) at 291 K, indicating that the cluster core has two unpaired electrons. Crystal data: C40H60Mo5O11, triclinic, P (1) over bar},
	keywords = {<(ETA-5-C5ME5)3RE3(MU-O)6>2+, <(ETA-C5H5)CR(MU-3-O)>4, COMPLEXES, CRYSTAL-STRUCTURE, ELECTRONIC-STRUCTURES, MAIN GROUP ELEMENTS, multiple bonds, OXIDATION, TRANSITION-METALS},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1994PF91300005},
	author = {Bottomley, F. and Chen, J. H. and Preston, K. F. and Thompson, R. C.}
}
@article {3125,
	title = {RADICAL FORMATION DURING THE REACTION OF BIS(FLUOROSULFURYL)PEROXIDE, S2O6F2, WITH TETRASULFUR TETRANITRIDE, S4N4, AND ELEMENTAL SULFUR, S-8},
	journal = {Journal of Fluorine Chemistry},
	volume = {66},
	number = {2},
	year = {1994},
	note = {ISI Document Delivery No.: MX367Times Cited: 1Cited Reference Count: 46},
	month = {Feb},
	pages = {147-152},
	type = {Article},
	abstract = {The radical intermediates formed initially in the reaction of S2O6F2 with S4N4 and S8 have been studied by ESR spectroscopy at X-band level. The transient radical formed in the reaction between S2O6F2 and S4N4 has the spin Hamiltonian parameters g(xx) = 2.0014, g(yy) = 2.0054, g(zz) = 2.0249, A(xx) = 22.5 MHz, A(yy) = 4.5 MHz, A(zz) = 2.0 MHz and Q(zz) = 4 MHz as determined by simulation of ESR lineshapes obtained from polycrystalline samples. The spin Hamiltonian parameters are very similar to those previously reported for [S3N2]+., and the spectra are interpreted as being most likely due to the [S3N2]+. radical. The reaction between S2O6F2 and S8 under similar conditions produces a radical that has a g-tensor of the form g(xx) = 2.0026, g(yy) = 2.0184, g(zz) = 2.0258, as determined by simulation. The transient species generated is postulated to be a similar S5+. radical.},
	keywords = {CRYSTAL-STRUCTURE, ELECTRON-SPIN-RESONANCE, HSO3F, NITROGEN, POLYATOMIC CATIONS, S3N2+, SALTS, SPECTRUM},
	isbn = {0022-1139},
	url = {<Go to ISI>://A1994MX36700011},
	author = {Mistry, F. and Herring, F. G. and Haas, A. and Aubke, F.}
}
@article {3018,
	title = {SECONDARY STRUCTURE OF THE ETS DOMAIN PLACES MURINE ETS-1 IN THE SUPERFAMILY OF WINGED HELIX-TURN-HELIX DNA-BINDING PROTEINS},
	journal = {Biochemistry},
	volume = {33},
	number = {46},
	year = {1994},
	note = {ISI Document Delivery No.: PT485Times Cited: 59Cited Reference Count: 46},
	month = {Nov},
	pages = {13509-13516},
	type = {Article},
	abstract = {The members of the ets gene family of transcription factors are characterized by a conserved 85-residue DNA-binding region, termed the ETS domain, that lacks sequence homology to structurally characterized DNA-binding motifs. The secondary structure of the ETS domain of murine Ets-1 was determined on the basis of NMR chemical shifts, NOE and J-coupling constraints, amide hydrogen exchange, circular dichroism, and FT-IR spectroscopy. The ETS domain is composed of three a-helices (H) and four beta-strands (S) arranged in the order H1-S1-S2-H2-H3-S3-S4. The four-stranded antiparallel beta-sheet is the scaffold for a putative helix-turn-helix DNA recognition motif formed by helices 2 and 3. The 25 residues extending beyond the ETS domain to the native C-terminus of the truncated Ets-1 also contain a helical segment. On the basis of the similarity of this topology with that of catabolite activator protein (CAP), heat shock factor (HSF), and hepatocyte nuclear factor (HNF-3 gamma), we propose that ets proteins are members of the superfamily of winged helix-turn-helix DNA-binding proteins.},
	keywords = {3-DIMENSIONAL NMR-SPECTROSCOPY, ASSIGNMENT, BACKBONE AMIDE, COUPLING-CONSTANTS, CRYSTAL-STRUCTURE, LARGER, MOTIF, PROTEINS, SIDE-CHAIN RESONANCES, SPECTRA, TRANSCRIPTION FACTORS},
	isbn = {0006-2960},
	url = {<Go to ISI>://A1994PT48500001},
	author = {Donaldson, L. W. and Petersen, J. M. and Graves, B. J. and McIntosh, L. P.}
}
@article {2951,
	title = {SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF (NEOPENTYL)(OCTAETHYLPORPHYRINATO)RUTHENIUM COMPLEXES, INCLUDING [RU(OEP)NP]2(MU-LI)2},
	journal = {Organometallics},
	volume = {13},
	number = {7},
	year = {1994},
	note = {ISI Document Delivery No.: NW037Times Cited: 21Cited Reference Count: 26},
	month = {Jul},
	pages = {2542-2544},
	type = {Note},
	abstract = {Reaction of neopentyllithium (LiNp) with the octaethylporphyrin complex Ru(OEP)Cl2 yields Ru-(OEP)Np (1), which can be treated with further LiNp to give [Ru(OEP)Np]2(mu-Li)2 (2). The structures of 1 (the first for an iron-group metalloporphyrin alkyl) and the more remarkable 2, revealing two Li atoms sandwiched between metalloporphyrin moieties, are determined.},
	keywords = {CHEMISTRY, CRYSTAL-STRUCTURE, DIMERS, lithium, OXIDATION, REACTIVITY, REDOX, TETRAVALENT RUTHENIUM PORPHYRIN},
	isbn = {0276-7333},
	url = {<Go to ISI>://A1994NW03700002},
	author = {Alexander, C. S. and Rettig, S. J. and James, Brian R.}
}
@article {3188,
	title = {SYNTHESIS, MOLECULAR-STRUCTURE, AND VIBRATIONAL-SPECTRA OF CYCLO-BIS(MU-CARBONYL)DIPALLADIUM(I) FLUOROSULFATE, [C-PD2(MU-CO)2](SO3F)2},
	journal = {Inorganic Chemistry},
	volume = {33},
	number = {4},
	year = {1994},
	note = {ISI Document Delivery No.: MX860Times Cited: 32Cited Reference Count: 55},
	month = {Feb},
	pages = {779-786},
	type = {Article},
	abstract = {{The synthesis, molecular structure, and complete vibrational spectrum of cyclo-bis(mu-carbonyl)dipalladium(I) fluorosulfate, [c-Pd2(mu-CO)2] (SO3F)2, are reported. The synthesis is achieved by reductive decomposition of Pd-(CO)2(SO3F)2 in fluorosulfuric acid, HSO3F; at 25-degrees-C, long orange-red needles form over a period of about 3 weeks. The compound is stable up to 157-degrees-C (the decomposition point). The molecular structure is solved by single-crystal X-ray diffraction. Crystals of [Pd2(mu-CO)2](SO3F)2 are monoclinic, C2/c; a = 11.495(1)},
	keywords = {CARBONYL HALIDES, COMPLEXES, CRYSTAL-STRUCTURE, palladium},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1994MX86000026},
	author = {Wang, C. Q. and Bodenbinder, M. and Willner, H. and Rettig, S. and Trotter, J. and Aubke, F.}
}
@article {3188,
	title = {SYNTHESIS, MOLECULAR-STRUCTURE, AND VIBRATIONAL-SPECTRA OF CYCLO-BIS(MU-CARBONYL)DIPALLADIUM(I) FLUOROSULFATE, [C-PD2(MU-CO)2](SO3F)2},
	journal = {Inorganic Chemistry},
	volume = {33},
	number = {4},
	year = {1994},
	note = {ISI Document Delivery No.: MX860Times Cited: 32Cited Reference Count: 55},
	month = {Feb},
	pages = {779-786},
	type = {Article},
	abstract = {{The synthesis, molecular structure, and complete vibrational spectrum of cyclo-bis(mu-carbonyl)dipalladium(I) fluorosulfate, [c-Pd2(mu-CO)2] (SO3F)2, are reported. The synthesis is achieved by reductive decomposition of Pd-(CO)2(SO3F)2 in fluorosulfuric acid, HSO3F; at 25-degrees-C, long orange-red needles form over a period of about 3 weeks. The compound is stable up to 157-degrees-C (the decomposition point). The molecular structure is solved by single-crystal X-ray diffraction. Crystals of [Pd2(mu-CO)2](SO3F)2 are monoclinic, C2/c; a = 11.495(1)},
	keywords = {CARBONYL HALIDES, COMPLEXES, CRYSTAL-STRUCTURE, palladium},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1994MX86000026},
	author = {Wang, C. Q. and Bodenbinder, M. and Willner, H. and Rettig, S. and Trotter, J. and Aubke, F.}
}
@article {2791,
	title = {OLIGOMETALLIC COBALT 3,5-DIMETHYLPYRAZOLATE COMPLEXES - SYNTHESIS, STRUCTURAL AND MAGNETIC STUDIES},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {71},
	number = {9},
	year = {1993},
	note = {ISI Document Delivery No.: MC957Times Cited: 28Cited Reference Count: 25},
	month = {Sep},
	pages = {1425-1436},
	type = {Article},
	abstract = {{Three oligometallic 5-dimethylpyrazolate (dmpz) bridged Co(II) compounds have been synthesized and characterized spectroscopically: dimeric [Co(dmpz)2(Hdmpz)]2. the related oligometallic compound, Co(dmpz)2 . 0.344(Hdmpz), and the trimetallic [Co(dmpz)2Cl(Hdmpz)]2Co. The first and last of these compounds have been studied magnetically and by single crystal X-ray diffraction. Crystals of [Co(dmpz)2(Hdmpz)]2 are orthorhombic, = 17.022(1)},
	keywords = {CRYSTAL-STRUCTURE, LOW-SPIN, METAL PYRAZOLATE POLYMERS, MOLECULAR-STRUCTURE, THIOCYANATE COORDINATION-COMPOUNDS, TRANSITION},
	isbn = {0008-4042},
	url = {<Go to ISI>://A1993MC95700021},
	author = {Ehlert, M. K. and Rettig, S. J. and Storr, A. and Thompson, R. C. and Trotter, J.}
}
@article {2791,
	title = {OLIGOMETALLIC COBALT 3,5-DIMETHYLPYRAZOLATE COMPLEXES - SYNTHESIS, STRUCTURAL AND MAGNETIC STUDIES},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {71},
	number = {9},
	year = {1993},
	note = {ISI Document Delivery No.: MC957Times Cited: 28Cited Reference Count: 25},
	month = {Sep},
	pages = {1425-1436},
	type = {Article},
	abstract = {{Three oligometallic 5-dimethylpyrazolate (dmpz) bridged Co(II) compounds have been synthesized and characterized spectroscopically: dimeric [Co(dmpz)2(Hdmpz)]2. the related oligometallic compound, Co(dmpz)2 . 0.344(Hdmpz), and the trimetallic [Co(dmpz)2Cl(Hdmpz)]2Co. The first and last of these compounds have been studied magnetically and by single crystal X-ray diffraction. Crystals of [Co(dmpz)2(Hdmpz)]2 are orthorhombic, = 17.022(1)},
	keywords = {CRYSTAL-STRUCTURE, LOW-SPIN, METAL PYRAZOLATE POLYMERS, MOLECULAR-STRUCTURE, THIOCYANATE COORDINATION-COMPOUNDS, TRANSITION},
	isbn = {0008-4042},
	url = {<Go to ISI>://A1993MC95700021},
	author = {Ehlert, M. K. and Rettig, S. J. and Storr, A. and Thompson, R. C. and Trotter, J.}
}
@article {2791,
	title = {OLIGOMETALLIC COBALT 3,5-DIMETHYLPYRAZOLATE COMPLEXES - SYNTHESIS, STRUCTURAL AND MAGNETIC STUDIES},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {71},
	number = {9},
	year = {1993},
	note = {ISI Document Delivery No.: MC957Times Cited: 28Cited Reference Count: 25},
	month = {Sep},
	pages = {1425-1436},
	type = {Article},
	abstract = {{Three oligometallic 5-dimethylpyrazolate (dmpz) bridged Co(II) compounds have been synthesized and characterized spectroscopically: dimeric [Co(dmpz)2(Hdmpz)]2. the related oligometallic compound, Co(dmpz)2 . 0.344(Hdmpz), and the trimetallic [Co(dmpz)2Cl(Hdmpz)]2Co. The first and last of these compounds have been studied magnetically and by single crystal X-ray diffraction. Crystals of [Co(dmpz)2(Hdmpz)]2 are orthorhombic, = 17.022(1)},
	keywords = {CRYSTAL-STRUCTURE, LOW-SPIN, METAL PYRAZOLATE POLYMERS, MOLECULAR-STRUCTURE, THIOCYANATE COORDINATION-COMPOUNDS, TRANSITION},
	isbn = {0008-4042},
	url = {<Go to ISI>://A1993MC95700021},
	author = {Ehlert, M. K. and Rettig, S. J. and Storr, A. and Thompson, R. C. and Trotter, J.}
}
@article {2868,
	title = {RHENIUM(V) AND TECHNETIUM(V) COMPLEXES OF BIDENTATE (0, 0) MONOBASIC 3-OXY-4-PYRONATO AND -4-PYRIDINONATO LIGANDS - X-RAY STRUCTURES OF CIS-BROMOBIS(3-METHYL-2-OXY-4-PYRONATO)OXORHENIUM(V), TETRA-N-BUTYLAMMONIUM TRIBROMO(3-METHYL-2-OXY-4-PYRONATO)OXORHENA},
	journal = {Inorganic Chemistry},
	volume = {32},
	number = {21},
	year = {1993},
	note = {ISI Document Delivery No.: MC686Times Cited: 27Cited Reference Count: 39},
	month = {Oct},
	pages = {4491-4497},
	type = {Article},
	abstract = {{A series of technetium(V) and rhenium(V) complexes of the form [MOXL2], where L is a bidentate (0, 0) monobasic ligand, 2-methyl-3-oxy-4-pyronate (maltolate, ma-) or 1,2-dimethyl-3-oxy-4-pyridinonate (dpp-), and X is a halo ligand},
	keywords = {3-HYDROXY-4-PYRIDINONES, aluminum, CHEMISTRY, CRYSTAL-STRUCTURE, MALTOL, MATRIX, NUCLEAR-MEDICINE, RADIOPHARMACEUTICALS, REACTIVITY, SCHIFF-BASES},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1993MC68600005},
	author = {Luo, H. Y. and Rettig, S. J. and Orvig, Chris}
}
@article {2837,
	title = {ROUTES TO RUTHENIUM(II) BROMO(SULFOXIDE) COMPLEXES, INCLUDING THE SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF A NEUTRAL DILITHIUM DIRUTHENIUM(II) COMPLEX CONTAINING TERMINAL AND BRIDGING TETRAMETHYLENE SULFOXIDE LIGANDS},
	journal = {Inorganica Chimica Acta},
	volume = {207},
	number = {1},
	year = {1993},
	note = {ISI Document Delivery No.: LB776Times Cited: 7Cited Reference Count: 36},
	month = {May},
	pages = {97-103},
	type = {Article},
	abstract = {{The dimeric Ru(II) complex [Br6(TMSO)2Ru2(mu2-TMSO)2(mu3-TMSO)2Li2(TMSO)2] (1) has been isolated from solutions containing RuCl3.3H3O, LiBr and TMSO (TMSO = tetramethylene sulfoxide, O and S indicating oxygen- and sulfur-bonding, respectively). Crystals of 1 are monoclinic},
	keywords = {CHELATION, CRYSTAL-STRUCTURE, DIMETHYLSULFOXIDE, OXIDATION, SOLUTION CHEMISTRY, SULFOXIDE)RUTHENIUM(II), SULFOXIDE)TETRACHLORORUTHENATE(III), VERSATILE STARTING MATERIALS},
	isbn = {0020-1693},
	url = {<Go to ISI>://A1993LB77600014},
	author = {Jaswal, J. S. and Yapp, D. T. T. and Rettig, S. J. and James, Brian R. and Skov, K. A.}
}
@article {7381,
	title = {BIS(CARBONYL)GOLD(I) UNDECAFLUORODIANTIMONATE(V), [AU(CO)2][SB2F11] - SYNTHESIS, VIBRATIONAL AND C-13 NMR-STUDY, AND THE MOLECULAR-STRUCTURE OF BIS(ACETONITRILE)GOLD(I) HEXAFLUOROANTIMONATE(V), [AU(NCCH3)2][SBF6]},
	journal = {Journal of the American Chemical Society},
	volume = {114},
	number = {23},
	year = {1992},
	note = {ISI Document Delivery No.: JW797Times Cited: 110Cited Reference Count: 79},
	month = {Nov},
	pages = {8972-8980},
	type = {Article},
	abstract = {The synthesis of the bis(carbonyl)gold(I) salt, [Au(CO)2] [Sb2F11], is achieved in a two-step procedure: the reduction of gold(III) fluorosulfate, Au(SO3F)3, in HSO3F to give AU(CO)SO3F as an intermediate, followed by solvolysis in liquid antimony(V) fluoride in the presence of carbon monoxide. The use of (CO)-C-13 or (CO)-O-18 permits the synthesis of the corresponding isotopically labeled salts. The compound is thermally stable up to 130-degrees-C. The cation has D(infinity h) symmetry, and all seven fundamentals, three Raman and four IR active modes, are observed. A normal coordinate analysis (NCA) and general valence force-field (GVFF) calculations are carried out and allow comparison to the isoelectronic and isosteric molecular species Hg(CN)2 and [Au(CN)2]-. The near absence of gold to carbon pi-back donation in [Au(CO)2]+ is manifested in strong carbon-oxygen bonds and consequently rather weak gold-carbon bonds, reflected in the highest CO-stretching frequencies so far observed for a metal carbonyl derivative with 2254 (nu1) and 2217 (nu3) cm-1 and a stretching force constant of 20.1 X 10(2) Nm-1. In the C-13 NMR spectrum a single-line resonance at 174 ppm is attributed to ([Au(CO)2]+)-C-13, while the ([Au(CO)]+)-C-13 chemical shift changes from 162 ppm in HSO3F to 158 ppm in magic acid (HSO3F/SbF5). The resonances for ([Au(CO)2]+)-C-13 and ([Au(CO)]+)-C-13 in the same solution are found to undergo coalescence at elevated temperature indicative of slow CO exchange. The coalescence temperature is solvent dependent, 325 K in HSO3F and 395 K in the more dilute HSO3F/SbF5 mixture. Attempts to recrystallize [Au(CO)2] [Sb2F11] from acetonitrile result in the formation of single crystals of [Au(NCCH3)2][SbF6] instead. The compound crystallizes in a cubic unit cell, space group Pa3BAR, with a = 10.250 (2) angstrom and Z = 4. The structure was determined by Patterson and Fourier methods and refined by least-squares techniques to R = 0.023 and R(w) = 0.024 for 147 reflections with I > 3sigma(I). The crystal contains linear [Au(NCCH3)2]+ cations and octahedral [SbF6]- anions, with normal dimensions.},
	keywords = {CHEMISTRY, COMPLEXES, CONSTANTS, CRYSTAL-STRUCTURE, FUNDAMENTAL-BAND, GOLD, HCO+, laser spectroscopy, METAL-CARBONYL CATIONS, RAMAN-SPECTRA},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1992JW79700030},
	author = {Willner, H. and Schaebs, J. and Hwang, G. and Mistry, F. and Jones, R. and Trotter, J. and Aubke, F.}
}
@article {7381,
	title = {BIS(CARBONYL)GOLD(I) UNDECAFLUORODIANTIMONATE(V), [AU(CO)2][SB2F11] - SYNTHESIS, VIBRATIONAL AND C-13 NMR-STUDY, AND THE MOLECULAR-STRUCTURE OF BIS(ACETONITRILE)GOLD(I) HEXAFLUOROANTIMONATE(V), [AU(NCCH3)2][SBF6]},
	journal = {Journal of the American Chemical Society},
	volume = {114},
	number = {23},
	year = {1992},
	note = {ISI Document Delivery No.: JW797Times Cited: 110Cited Reference Count: 79},
	month = {Nov},
	pages = {8972-8980},
	type = {Article},
	abstract = {The synthesis of the bis(carbonyl)gold(I) salt, [Au(CO)2] [Sb2F11], is achieved in a two-step procedure: the reduction of gold(III) fluorosulfate, Au(SO3F)3, in HSO3F to give AU(CO)SO3F as an intermediate, followed by solvolysis in liquid antimony(V) fluoride in the presence of carbon monoxide. The use of (CO)-C-13 or (CO)-O-18 permits the synthesis of the corresponding isotopically labeled salts. The compound is thermally stable up to 130-degrees-C. The cation has D(infinity h) symmetry, and all seven fundamentals, three Raman and four IR active modes, are observed. A normal coordinate analysis (NCA) and general valence force-field (GVFF) calculations are carried out and allow comparison to the isoelectronic and isosteric molecular species Hg(CN)2 and [Au(CN)2]-. The near absence of gold to carbon pi-back donation in [Au(CO)2]+ is manifested in strong carbon-oxygen bonds and consequently rather weak gold-carbon bonds, reflected in the highest CO-stretching frequencies so far observed for a metal carbonyl derivative with 2254 (nu1) and 2217 (nu3) cm-1 and a stretching force constant of 20.1 X 10(2) Nm-1. In the C-13 NMR spectrum a single-line resonance at 174 ppm is attributed to ([Au(CO)2]+)-C-13, while the ([Au(CO)]+)-C-13 chemical shift changes from 162 ppm in HSO3F to 158 ppm in magic acid (HSO3F/SbF5). The resonances for ([Au(CO)2]+)-C-13 and ([Au(CO)]+)-C-13 in the same solution are found to undergo coalescence at elevated temperature indicative of slow CO exchange. The coalescence temperature is solvent dependent, 325 K in HSO3F and 395 K in the more dilute HSO3F/SbF5 mixture. Attempts to recrystallize [Au(CO)2] [Sb2F11] from acetonitrile result in the formation of single crystals of [Au(NCCH3)2][SbF6] instead. The compound crystallizes in a cubic unit cell, space group Pa3BAR, with a = 10.250 (2) angstrom and Z = 4. The structure was determined by Patterson and Fourier methods and refined by least-squares techniques to R = 0.023 and R(w) = 0.024 for 147 reflections with I > 3sigma(I). The crystal contains linear [Au(NCCH3)2]+ cations and octahedral [SbF6]- anions, with normal dimensions.},
	keywords = {CHEMISTRY, COMPLEXES, CONSTANTS, CRYSTAL-STRUCTURE, FUNDAMENTAL-BAND, GOLD, HCO+, laser spectroscopy, METAL-CARBONYL CATIONS, RAMAN-SPECTRA},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1992JW79700030},
	author = {Willner, H. and Schaebs, J. and Hwang, G. and Mistry, F. and Jones, R. and Trotter, J. and Aubke, F.}
}
@article {7265,
	title = {COORDINATION CHEMISTRY OF 2-(2{\textquoteright}-HYDROXYPHENYL)-2-OXAZOLINES WITH ALUMINUM, GALLIUM, AND INDIUM - 1ST TRIS(LIGAND)METAL(III) COMPLEXES OF THIS NATURALLY-OCCURRING BINDING GROUP},
	journal = {Inorganic Chemistry},
	volume = {31},
	number = {26},
	year = {1992},
	note = {ISI Document Delivery No.: KE754Times Cited: 62Cited Reference Count: 44},
	month = {Dec},
	pages = {5408-5416},
	type = {Article},
	abstract = {{A series of tris(ligand)metal(III) complexes of group 13 metals (Al, Ga, In) with 2-(2{\textquoteright}-hydroxyphenyl)-2-oxazoline (Hoz), 2-(5{\textquoteright}-bromo-2{\textquoteright}-hydroxyphenyl)-2-oxazoline (HBroz), 2-(2{\textquoteright}-hydroxy-3{\textquoteright}-methylphenyl)-2-oxazoline(Hmoz), 2-(2{\textquoteright}-hydroxy-3{\textquoteright}-allylphenyl)-2-oxazoline (Haloz) have been prepared. These compounds have been studied by a variety of techniques including variable-temperature NMR (H-1 and Al-27) and single-crystal X-ray diffraction. The M(OZ)3-CH3OH complexes (M = Al, Ga, In) are isomorphous and isostructural. Crystallographic data for C28H28MN3O7: monoclinic},
	keywords = {CHIRAL, CRYSTAL-STRUCTURE, ENTEROBACTIN, INTRAMOLECULAR REARRANGEMENT REACTIONS, ISOMERIZATION, KINETICS, LIGANDS, MICROBIAL IRON TRANSPORT, PROBABLE MECHANISM, SIDEROPHORES, TRIS-CHELATE COMPLEXES},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1992KE75400016},
	author = {Hoveyda, H. R. and Karunaratne, V. and Rettig, S. J. and Orvig, Chris}
}
@article {7268,
	title = {A DIRUTHENIUM DILITHIUM COMPLEX CONTAINING 4 DIFFERENT BONDING TYPES OF TETRAMETHYLENESULFOXIDE LIGANDS},
	journal = {Journal of the Chemical Society-Chemical Communications},
	number = {20},
	year = {1992},
	note = {ISI Document Delivery No.: JV202Times Cited: 10Cited Reference Count: 16},
	month = {Oct},
	pages = {1528-1529},
	type = {Article},
	abstract = {The tetranuclear complex [Br6(tmso)2Ru2(mu2-tmso)2(mu3-tmso)2Li2(tmso)2] (tmso = tetramethylenesulfoxide; s and o imply sulfur- and oxygen-bonded sulfoxide, respectively) has been synthesized; four types of coordinated tmso are present, including a unique mu3-type.},
	keywords = {CRYSTAL-STRUCTURE, RUTHENIUM(III) COMPLEXES, SOLUTION CHEMISTRY, SULFOXIDE COMPLEXES, SULFOXIDE)RUTHENIUM(II), SULFOXIDE)TETRACHLORORUTHENATE(III)},
	isbn = {0022-4936},
	url = {<Go to ISI>://A1992JV20200029},
	author = {Jaswal, J. S. and Yapp, D. T. T. and Rettig, S. J. and James, Brian R. and Skov, K. A.}
}
@article {7212,
	title = {REACTION OF FE(ETA-C5H4)2S3 WITH M3(CO)12 (M = RU, OS) - STRUCTURE OF FE(ETA-C5H4S)2RU2(CO)6 AND FE(ETA-C5H4S)2(MU-3-S)OS4(CO)11},
	journal = {Organometallics},
	volume = {11},
	number = {9},
	year = {1992},
	note = {ISI Document Delivery No.: JN066Times Cited: 15Cited Reference Count: 37},
	month = {Sep},
	pages = {3152-3156},
	type = {Note},
	abstract = {{The thermal reaction of 1,2,3-trithia[3]ferrocenophane (1) with Ru3(CO)12 in refluxing hexanes affords the complex Fe(eta-C5H4S)2Ru2(CO)6 (4) in moderate yield. The reaction of 1 with Os3(CO)12 yields Fe(eta-C5H4S)2(S)Os2(CO)6 (5) in low yield in refluxing cyclohexane and four products in moderate to low yields in refluxing toluene. These compounds were identified as the diosmium species Fe(eta-C5H4S)2Os2(CO)8 (6), the triosmium species Fe(eta-C5H4S)2Os3(CO)10 (7), and the tetraosmium species Fe(eta-C5H4S)2(mu-3-S)Os4(CO)11 (8) and Fe(eta-C5H4S)2(mu-3-S)2Os4(CO)10 (9). Only complexes 4 and 8 were characterized by using X-ray crystallography. The common sawhorse geometry is found for 4, with the Fe(eta-C5H4S)2 group bridging the two Ru(CO)3 moieties. The osmium cluster 8 consists of a mu-3-S ligand bridging a spiked triangle of osmium atoms with the Fe(eta-C5H4S)2 ligand bridging the spike Os-Os bond. Both structures have eclipsed and nearly parallel cyclopentadienyl rings. Crystals of 4 are monoclinic, with a = 7.685 (3) angstrom},
	keywords = {BINUCLEAR RUTHENIUM(I), BRIDGED COMPLEXES, CHEMISTRY, CLUSTER, COMPLEXES, CRYSTAL-STRUCTURE, DATIVE BOND, LIGANDS, METAL-COMPLEXES, MOLECULAR-STRUCTURE, SYMMETRICALLY DISUBSTITUTED FERROCENES},
	isbn = {0276-7333},
	url = {<Go to ISI>://A1992JN06600037},
	author = {Cullen, W. R. and Talaba, A. and Rettig, S. J.}
}
@article {7349,
	title = {STRUCTURE OF METHYLBIS(SALICYLALDOXIMATO-O1,N)GALLIUM(III)},
	journal = {Acta Crystallographica Section C-Crystal Structure Communications},
	volume = {48},
	year = {1992},
	note = {ISI Document Delivery No.: JQ049Times Cited: 6Cited Reference Count: 20Part 9},
	month = {Sep},
	pages = {1587-1590},
	type = {Article},
	abstract = {{[Ga(C7H6NO2)2(CH3)], M(r) = 357.01, monoclinic, C2/c},
	keywords = {CRYSTAL-STRUCTURE, MOLECULAR-STRUCTURE},
	isbn = {0108-2701},
	url = {<Go to ISI>://A1992JQ04900008},
	author = {Rettig, S. J. and Storr, A. and Trotter, J.}
}
@article {7349,
	title = {STRUCTURE OF METHYLBIS(SALICYLALDOXIMATO-O1,N)GALLIUM(III)},
	journal = {Acta Crystallographica Section C-Crystal Structure Communications},
	volume = {48},
	year = {1992},
	note = {ISI Document Delivery No.: JQ049Times Cited: 6Cited Reference Count: 20Part 9},
	month = {Sep},
	pages = {1587-1590},
	type = {Article},
	abstract = {{[Ga(C7H6NO2)2(CH3)], M(r) = 357.01, monoclinic, C2/c},
	keywords = {CRYSTAL-STRUCTURE, MOLECULAR-STRUCTURE},
	isbn = {0108-2701},
	url = {<Go to ISI>://A1992JQ04900008},
	author = {Rettig, S. J. and Storr, A. and Trotter, J.}
}
@article {7272,
	title = {SYNTHESIS, CHARACTERIZATION AND REACTIVITY OF SOME MONONUCLEAR AND DINUCLEAR CHLORORUTHENIUM COMPLEXES CONTAINING CHELATING DITERTIARY PHOSPHINES (P-P) WITH P-PRU = 1},
	journal = {Inorganica Chimica Acta},
	volume = {198},
	year = {1992},
	note = {ISI Document Delivery No.: JK243Times Cited: 72Cited Reference Count: 92},
	month = {Aug-Oct},
	pages = {283-296},
	type = {Article},
	abstract = {{Mixed-valence complexes of the type (P-P)ClRu(mu-Cl)3RuCl(P-P), and the [RuCl(P-P)]2(mu-Cl)2 products formed by their reduction with H2, are synthesized, where P-P is a chelating ditertiary phosphine Ph2P(CH2)nPPh2 (n = 3-6) or some related chiral analogues such as diop, chiraphos, dppcp, dpcycp, bdpp, binap, phenop or norphos (diop = Ph2PCH2CHOCMe2OCHCH2PPh2; chiraphos = Ph2PCH(Me)CH(Me)PPh2; dppcp = Ph2PCH(CH2)3CHPPh2; dpcycp = (C6H11)2PCH(CH2)3CHP(C6H11)2; bdpp(skewphos) = Ph2PCH(Me)CH2CH(Me)PPh2; binap = 2,2{\textquoteright}-bis(diphenylphosphine)-1,1{\textquoteright}-binaphthyl; phenop = Ph2PN(Et)CH(CH2Ph)CH2OPPh2; norphos = Ph2PCHCHCH=CHCH(CH2)CHPPh2). The [RuCl(binap)]2(mu-Cl)2 species is also formed in solution by dissociation of PPh3 from RuCl2(binap)(PPh3) which is synthesized by phosphine exchange with RuCl2(PPh3)3. From the [RuCl(P-P)]2(mu-Cl)2 complex (P-P = Ph2P(CH2)4PPh2), a range of L(P-P)Ru(mu-Cl)3RuCl(P-P) species is readily formed, where L includes an amine, acetone, NN-dimethylacetamide, Mel, PhCN, CO, N2 or H2; the L = NEt3 adduct is made also from RUCl2(dppb)(PPh3), while the corresponding dimethyl sulfoxide adduct (L = DMSO), 17e, is synthesized directly from cis-RuCl2(DMSO)4 and the phosphine. P-31{H-1} NMR data are presented for the Ru(II) species, while characterization of 17e includes an X-ray_crystallographic analysis that confirms the trichloro-bridged formulation. Crystal data are as follows: triclinic, P1BAR},
	keywords = {1{\textquoteright}-BINAPHTHYL, 2, 2{\textquoteright}-BIS(DIPHENYLPHOSPHINO)-1, ASYMMETRIC HYDROGENATION, BINAP-RUTHENIUM(II) COMPLEXES, CATALYSTS, COMPLEXES, CRYSTAL-STRUCTURE, DICARBOXYLATE, MECHANISM, ROUTE, RUTHENIUM(II) COMPLEXES, UNSATURATED CARBOXYLIC-ACIDS},
	isbn = {0020-1693},
	url = {<Go to ISI>://A1992JK24300031},
	author = {Joshi, A. M. and Thorburn, I. S. and Rettig, S. J. and James, Brian R.}
}
@article {7023,
	title = {THE COMBINATION OF SYNCHROTRON POWDER DIFFRACTION AND HIGH-RESOLUTION SOLID-STATE NMR EXPERIMENTS},
	journal = {Journal of Physics and Chemistry of Solids},
	volume = {52},
	number = {10},
	year = {1991},
	note = {ISI Document Delivery No.: GU763Times Cited: 18Cited Reference Count: 22},
	pages = {1235-1241},
	type = {Article},
	abstract = {Structural investigations on three zeolites, ZSM-11, ZSM-12 and ZSM-5, have been carried out by a combination of high-resolution solid-state Si-28 NMR experiments and Rietveld refinement of synchrotron X-ray powder data. These techniques, being sensitive to short- and long-range order, respectively, gave a most complete picture of the structure of the solid state. Variable temperature NMR experiments of ZSM-11 revealed a displacive phase transition with a change in symmetry at about 300 K. A Rietveld refinement of a data set recorded at 373 K confirmed the proposed structure model. The structure of ZSM-12 was refined from room temperature synchrotron powder data. Space group ambiguities because of pseudo-symmetry of the silica framework of the zeolite were resolved with the aid of Si-29 NMR experiments leading to C2/c as the true space group symmetry. Si-29 NMR and X-ray studies of ZSM-5 showed that the symmetry of the crystal structure depends on the temperature, the concentration of the guest molecule, and on the number of Al atoms in the framework. A full pattern refinement of silica-ZSM-5 loaded with two molecules p-dichlorobenzene per unit cell showed that the site occupied by the sorbed molecule is not at the intersection of the channels but shifted by 1/4 along b0.},
	keywords = {3-DIMENSIONAL LATTICE CONNECTIVITIES, CRYSTAL-STRUCTURE, ORTHORHOMBIC FRAMEWORK, Rietveld refinement, Si-29 NMR, SINGLE-CRYSTAL, SORBATE, ZEOLITE H-ZSM-5, zeolites, ZSM-11, ZSM-12, ZSM-5},
	isbn = {0022-3697},
	url = {<Go to ISI>://A1991GU76300006},
	author = {Gies, H. and Marler, B. and Fyfe, C. and Kokotailo, G. and Feng, Y. and Cox, D. E.}
}
@article {7021,
	title = {ONE-DIMENSIONAL AND 2-DIMENSIONAL HIGH-RESOLUTION SOLID-STATE NMR-STUDIES OF ZEOLITE LATTICE STRUCTURES},
	journal = {Chemical Reviews},
	volume = {91},
	number = {7},
	year = {1991},
	note = {ISI Document Delivery No.: GP764Times Cited: 106Cited Reference Count: 90},
	month = {Nov},
	pages = {1525-1543},
	type = {Review},
	keywords = {C-13 NMR, CRYSTAL-STRUCTURE, CRYSTALLOGRAPHICALLY INEQUIVALENT SITES, HIGH-SILICA ZEOLITE, MAS-NMR, NUCLEAR MAGNETIC-RESONANCE, NUCLEI, ORTHORHOMBIC FRAMEWORK, QUADRUPOLAR, Si-29 NMR, X-RAY-DIFFRACTION},
	isbn = {0009-2665},
	url = {<Go to ISI>://A1991GP76400014},
	author = {Fyfe, C. A. and Feng, Y. and Grondey, H. and Kokotailo, G. T. and Gies, H.}
}
@article {7005,
	title = {ORGANOMETALLIC NITROSYL CHEMISTRY .43. SYNTHESIS AND CHARACTERIZATION OF CHIRAL MOLYBDENUM AND TUNGSTEN NEUTRAL COMPLEXES CONTAINING ETA-2-BENZYL LIGANDS},
	journal = {Organometallics},
	volume = {10},
	number = {8},
	year = {1991},
	note = {ISI Document Delivery No.: GA275Times Cited: 44Cited Reference Count: 48},
	month = {Aug},
	pages = {2857-2870},
	type = {Article},
	abstract = {{Reaction of Cp{\textquoteright}M(NO)Cl2 (Cp{\textquoteright} = Cp (eta-5-C5H5) or Cp* (eta-5-C5Me5); M = Mo or W) with 2 equiv of p-XylMgCl (p-Xyl = p-MeC6H4CH2) affords the corresponding bis(p-xylyl) complexes in good yields. Subsequent treatment of the Cp{\textquoteright}M(NO)(CH2Ar)2 compounds (CH2Ar = CH2Ph or p-Xyl) with HCl produces the new isolable Cp{\textquoteright}M(NO)(CH2Ar)Cl species. These, in turn, undergo metathesis reactions with RMgCl or R2Mg(dioxane)2 reagents and convert to Cp{\textquoteright}M(NO)(CH2Ar)R (R = CH2SiMe3, CH2CMe3 (Npt), or C6H4CH3 (p-Tol)). All new complexes isolated during this work have been fully characterized by conventional spectroscopic methods. Single-crystal X-ray crystallographic analyses have been performed on two prototypal complexes, namely Cp*Mo(NO)(CH2Ph)Cl and Cp*Mo(NO)(CH2Ph)(CH2SiMe3). Crystal data for Cp*Mo(NO)(CH2Ph)Cl: a = 9.3451 (16) angstrom},
	keywords = {allyl, BARRIERS, BENZYL COMPLEXES, COMPLEXES, CRYSTAL-STRUCTURE, DYNAMICS, ETA-5-C5H5, ISOMERS, MECHANISM, MOLECULAR-STRUCTURE, OXIDE},
	isbn = {0276-7333},
	url = {<Go to ISI>://A1991GA27500061},
	author = {Dryden, N. H. and Legzdins,Peter and Trotter, J. and Yee, V. C.}
}
@article {7005,
	title = {ORGANOMETALLIC NITROSYL CHEMISTRY .43. SYNTHESIS AND CHARACTERIZATION OF CHIRAL MOLYBDENUM AND TUNGSTEN NEUTRAL COMPLEXES CONTAINING ETA-2-BENZYL LIGANDS},
	journal = {Organometallics},
	volume = {10},
	number = {8},
	year = {1991},
	note = {ISI Document Delivery No.: GA275Times Cited: 44Cited Reference Count: 48},
	month = {Aug},
	pages = {2857-2870},
	type = {Article},
	abstract = {{Reaction of Cp{\textquoteright}M(NO)Cl2 (Cp{\textquoteright} = Cp (eta-5-C5H5) or Cp* (eta-5-C5Me5); M = Mo or W) with 2 equiv of p-XylMgCl (p-Xyl = p-MeC6H4CH2) affords the corresponding bis(p-xylyl) complexes in good yields. Subsequent treatment of the Cp{\textquoteright}M(NO)(CH2Ar)2 compounds (CH2Ar = CH2Ph or p-Xyl) with HCl produces the new isolable Cp{\textquoteright}M(NO)(CH2Ar)Cl species. These, in turn, undergo metathesis reactions with RMgCl or R2Mg(dioxane)2 reagents and convert to Cp{\textquoteright}M(NO)(CH2Ar)R (R = CH2SiMe3, CH2CMe3 (Npt), or C6H4CH3 (p-Tol)). All new complexes isolated during this work have been fully characterized by conventional spectroscopic methods. Single-crystal X-ray crystallographic analyses have been performed on two prototypal complexes, namely Cp*Mo(NO)(CH2Ph)Cl and Cp*Mo(NO)(CH2Ph)(CH2SiMe3). Crystal data for Cp*Mo(NO)(CH2Ph)Cl: a = 9.3451 (16) angstrom},
	keywords = {allyl, BARRIERS, BENZYL COMPLEXES, COMPLEXES, CRYSTAL-STRUCTURE, DYNAMICS, ETA-5-C5H5, ISOMERS, MECHANISM, MOLECULAR-STRUCTURE, OXIDE},
	isbn = {0276-7333},
	url = {<Go to ISI>://A1991GA27500061},
	author = {Dryden, N. H. and Legzdins,Peter and Trotter, J. and Yee, V. C.}
}
@article {7050,
	title = {STRUCTURAL STUDIES OF ORGANOBORON COMPOUNDS .48. 1,4-DIPHENYL-3,3-6,6-BIS(TETRAMETHYLENE)-2,5,7-TRIOXA-3,6-DIAZONIA-1,4-D IBORATABICYCLO(2.2.1)HEPTANE},
	journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie},
	volume = {69},
	number = {8},
	year = {1991},
	note = {ISI Document Delivery No.: GC235Times Cited: 7Cited Reference Count: 33},
	month = {Aug},
	pages = {1222-1226},
	type = {Article},
	abstract = {{The reaction of N-hydroxypyrrolidine with either oxybis(diphenylborane) or phenylboronic acid gives 1,4-diphenyl-3,3:6,6-bis(tetramethylene)-2,5,7-trioxa-3,6-diazoniia-1,4- diboratabicyclo[2.2.1]heptane in moderate yield. Crystals of the product are orthorhombic},
	keywords = {2, 4-DIBORATABICYCLO(2.2.1)HEPTANE RING, 5, 6-DIAZONIA-1, 7-TRIOXA-3, crystal structure, CRYSTAL-STRUCTURE, MOLECULAR-STRUCTURE, organoboron compound, SYSTEM, X-RAY-DIFFRACTION},
	isbn = {0008-4042},
	url = {<Go to ISI>://A1991GC23500008},
	author = {Kliegel, W. and Riebe, U. and Rettig, S. J. and Trotter, J.}
}
@article {7073,
	title = {SYNTHESIS AND CHARACTERIZATION OF A PENTADENTATE SCHIFF-BASE N3O2 LIGAND AND ITS NEUTRAL TECHNETIUM(V) COMPLEX - X-RAY STRUCTURE OF (N,N{\textquoteright}-3-AZAPENTANE-1,5-DIYLBIS(3-(1-IMINOETHYL)-6-METHYL-2H-PYRAN-2,4(3H )-DIONATO)(3-)-O,O{\textquoteright},N,N{\textquoteright},N{\textquoteright}{\textquoteright})OXOTECHNETI},
	journal = {Inorganic Chemistry},
	volume = {30},
	number = {26},
	year = {1991},
	note = {ISI Document Delivery No.: GX615Times Cited: 19Cited Reference Count: 35},
	month = {Dec},
	pages = {4915-4919},
	type = {Article},
	abstract = {{Preparations of a potentially pentadentate ligand, N,N{\textquoteright}-3-azapentane-1,5-diylbis(3-(1-iminoethyl)-6-methyl-2H-pyran-2,4-(3H )-dione) (H3apa), and its neutral technetium(V) complex, [TcO(apa)], are described. The C-13 and H-1 NMR, infrared, optical, and mass spectra of the pentadentate ligand and its technetium(V) complex are reported. The X-ray structure of [TcO(apa)] has been determined. Crystals are orthorhombic, space group Pbca, with a = 12.833 (2) angstrom},
	keywords = {<TC=N>2+ CORE, AGENTS, CHEMISTRY, CRYSTAL-STRUCTURE, DONOR-ATOM SET, gallium, OXOTECHNETIUM(V) COMPLEXES, REACTIVITY, RHENIUM(V) OXO-COMPLEXES, S-METHYL DITHIOCARBAZATE},
	isbn = {0020-1669},
	url = {<Go to ISI>://A1991GX61500013},
	author = {Liu, S. and Rettig, S. J. and Orvig, Chris}
}
@article {7015,
	title = {THERMAL AND PHOTOCHEMICAL-TRANSFORMATIONS OF ORGANOIRIDIUM PHOSPHIDE COMPLEXES - MECHANISTIC STUDIES ON CARBON PHOSPHORUS BOND FORMATION TO GENERATE CYCLOMETALATED HYDRIDE COMPLEXES BY ALPHA-HYDRIDE ABSTRACTION},
	journal = {Journal of the American Chemical Society},
	volume = {113},
	number = {23},
	year = {1991},
	note = {ISI Document Delivery No.: GP037Times Cited: 28Cited Reference Count: 62},
	month = {Nov},
	pages = {8724-8736},
	type = {Article},
	abstract = {{The thermal and photolytic transformations of a series of methyliridium(III) phosphide complexes are described. Complexes of the formula Ir(CH3)PR2[N(SiMe2CH2PPh2)2] (R = Ph, Me) rearrange thermally to generate the corresponding cyclometalated derivatives fac-Ir(eta-2-CH2PR2)H[N(SiMe2CH2PPh2)2]; continued thermolysis results in the formation of the iridium(I) phosphine complexes Ir(PMeR2)[N(SiMe2CH2PPh2)2]. Under photolytic conditions the phosphide derivatives rearrange directly to the phosphine complexes with no observable intermediates. The phenylphosphide complex Ir(CH3)PHPh[N-(SiMe2CH2PPh2)2] rearranges directly to the phosphine derivative Ir(PHPhMe)[N(SiMe2CH2PPh2)2] both thermally and photolytically with no observable intermediates. Crystals of lr(CH3)PPh2[N(SiMe2CH2PPh2)2] are monoclinic with a = 13.506 (3) angstrom},
	keywords = {ACTIVATION, C-H, CHEMISTRY, CRYSTAL-STRUCTURE, DERIVATIVES, HYDROGEN-BONDS, IRIDIUM, LIGAND, REACTIVITY, REDUCTIVE ELIMINATION},
	isbn = {0002-7863},
	url = {<Go to ISI>://A1991GP03700020},
	author = {Fryzuk,Michael D. and Joshi, K. and Chadha, R. K. and Rettig, S. J.}
}
