@article {2259, title = {Rare-earth amidate complexes. Easily accessed initiators for epsilon-caprolactone ring-opening polymerization}, journal = {Inorganic Chemistry}, volume = {47}, number = {18}, year = {2008}, note = {ISI Document Delivery No.: 346UBTimes Cited: 8Cited Reference Count: 76Stanlake, Louisa J. E. Beard, J. David Schafer, Laurel L.}, month = {Sep}, pages = {8062-8068}, type = {Article}, abstract = {{The direct synthesis of yttrium amidate complexes using the simple reaction of amide proligands and Y(N(SiMe3)(2))(3) results in the high-yielding preparation and isolation of crystalline, monomeric materials. The complex, tris(N-2{\textquoteright},6{\textquoteright}-diisopropylphenyl(naphthyl)amidate)yttrium mono(tetrahydrofuran) (4), was structurally determined to be a 7-coordinate C, symmetric structure, maintaining one bound tetrahydrofuran molecule. Compound 4 (C12H17[NCO]C10H1)(3)Y(C4H8O) crystallized in the monoclinic space group P2(1)/c with a = 13.7820(11) angstrom}, keywords = {BETA-DIKETIMINATE, BIS(AMIDATE) TITANIUM PRECATALYST, CATALYTIC-ACTIVITY, COMPLEXES, LANTHANIDE, METHYL-METHACRYLATE, MOLECULAR-STRUCTURES, N, ORGANOLANTHANIDE, PHENYL ISOCYANATE, RAY CRYSTAL-STRUCTURES, SIGMA-BOND}, isbn = {0020-1669}, url = {://000259093700022}, author = {Stanlake, L. J. E. and Beard, J. D. and Schafer, L. L.} }