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PHOSPHINE COMPLEXES OF YTTRIUM, LANTHANUM, AND LUTETIUM - SYNTHESIS, THERMOLYSIS, AND FLUXIONAL BEHAVIOR OF THE HYDROCARBYL DERIVATIVES MR’[N(SIME2CH2PME2)2]2 - X-RAY CRYSTAL-STRUCTURE OF Y[N(SIME2CHPME2)(SIME2CH2PME2)][N(SIME2CH2PME2)2]

TitlePHOSPHINE COMPLEXES OF YTTRIUM, LANTHANUM, AND LUTETIUM - SYNTHESIS, THERMOLYSIS, AND FLUXIONAL BEHAVIOR OF THE HYDROCARBYL DERIVATIVES MR’[N(SIME2CH2PME2)2]2 - X-RAY CRYSTAL-STRUCTURE OF Y[N(SIME2CHPME2)(SIME2CH2PME2)][N(SIME2CH2PME2)2]
Publication TypeJournal Article
Year of Publication1991
AuthorsFryzuk, MD, Haddad, TS, Rettig, SJ
JournalOrganometallics
Volume10
Pagination2026-2036
Date PublishedJun
Type of ArticleArticle
ISBN Number0276-7333
KeywordsALKYL, BOND ACTIVATION, CHEMISTRY, CRYSTALLOGRAPHIC CHARACTERIZATION, ELIMINATION, F-BLOCK METALS, HAFNIUM(IV), hydride, LIGAND, ORGANOLANTHANIDES
Abstract

{The preparation of phosphine complexes of the group 3 elements yttrium and lanthanum and the lanthanide metal lutetium is described. The reaction of 2 equiv of lithium salt of the mixed-donor ligand LiN(SiMe2CH2PR2)2 (R = Me, Ph, Pr(i)) with YCl3 or LuCl3 (R = Me only) leads to the formation of the bis(ligand) complexes MCl[N(SiMe2CH2PR2)2]2. The analogous lanthanum derivative requires the use of the corresponding potassium salt KN(SiMe2CH2PR2)2 (R = Me, Ph) with anhydrous LaCl3 to generate good yields of LaCl(N(SiMe2CH2PR2)2]2. Replacement of the remaining chloride with a hydrocarbyl ligand can be achieved for M = Y and Lu to generate MR[N(SiMe2CH2PMe2)2]2 (M = Y

URL<Go to ISI>://A1991FQ93300059