A novel synthesis of organoimido complex by transamination action. X-ray cyystal structure of a bis-(isopropylimido) complex of tungsten(VI), [W(μNPri)(NPri)(NHPri)2]2

Hsin-Tien Chiu*, Shiow Huey Chuang, Gene Hsiang Lee, Shie Ming Peng

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

The bis(isopropylimido) complex [W(μ-NPri)(NPri)(NHPri)2]2 was synthesized by reacting W2(NBut)2(NHBut)2 with excess PriNH2. The complex, characterized by X-ray crystallography, is a dimer of distorted trigonal bipyramids sharing an edge defined by the unsymmetrical bridging imido ligands. Exchange between the bridging and the terminal imido ligands were observed on the NMR timescale, ΔG = 14.5 ± 1.0 kcal mol-1. An equilibration process is proposed to account for the fluxional behaviour.

Original languageEnglish
Pages (from-to)2443-2445
Number of pages3
JournalPolyhedron
Volume13
Issue number15-16
DOIs
StatePublished - 1 Jan 1994

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