Pentabenzyltantalum: Straightforward synthesis, x-ray structure, and application in the synthesis of [O2N]TaBn3-type and [O3N]TaBn2-type complexes

Stanislav Groysman, Israel Goldberg, Moshe Kol*, Zeev Goldschmidt

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

The direct reaction between tantalum pentachloride and benzylmagnesium chloride leads to pentabenzyltantalum, previously prepared by a two-step synthesis. The X-ray structure of pentabenzyltantalum reveals a square-pyramidal geometry. Pentabenzyltantalum was found to be an efficient starting material for the preparation of amine-phenolate complexes via toluene elimination reactions. Thus, its reactions with amine bis(phenolate) and amine tris(phenolate) ligand precursors gave the tribenzyltantalum and dibenzyltantalum complexes, respectively, in quantitative yields.

Original languageEnglish
Pages (from-to)3793-3795
Number of pages3
JournalOrganometallics
Volume22
Issue number19
DOIs
StatePublished - 15 Sep 2003

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