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PHOSPHINE COMPLEXES OF ZIRCONIUM AND HAFNIUM - SYNTHESIS, STRUCTURE, AND FLUXIONAL BEHAVIOR OF THE TRIMETHYL DERIVATIVES MME3[N(SIME2CH2PR2)2] (R = ME, ISO-PR, TERT-BU) - EVIDENCE FOR A BICAPPED-TETRAHEDRAL GEOMETRY

TitlePHOSPHINE COMPLEXES OF ZIRCONIUM AND HAFNIUM - SYNTHESIS, STRUCTURE, AND FLUXIONAL BEHAVIOR OF THE TRIMETHYL DERIVATIVES MME3[N(SIME2CH2PR2)2] (R = ME, ISO-PR, TERT-BU) - EVIDENCE FOR A BICAPPED-TETRAHEDRAL GEOMETRY
Publication TypeJournal Article
Year of Publication1992
AuthorsFryzuk, MD, Carter, A, Rettig, SJ
JournalOrganometallics
Volume11
Pagination469-472
Date PublishedJan
Type of ArticleNote
ISBN Number0276-7333
KeywordsALKYL, CARBON BOND, DINITROGEN, ETHYLENE POLYMERIZATION, GROUP-4, HYDRIDE DERIVATIVES, INSERTION, RAY CRYSTAL-STRUCTURE, REDUCTION, TITANIUM
Abstract

The addition of 3 equiv of methyl Grignard (MeMgCl) to the amidodiphosphine derivatives MCl3[N-(SiMe2CH2PR2)2] (M = Zr, Hf; R = Me, Pr(i), Bu(t)) generates the corresponding trimethyl complexes MMe3[N-(SiMe2CH2PR2)2]. The solution structures and fluxional behavior of these molecules along with the X-ray structure of HfMe3[N(SiMe2CH2PMe2)2] are presented.

URL<Go to ISI>://A1992GZ04000078