Si-H and Si-Cl bond activation reactions of titanium hydrazides with silanes and subsequent Ti-H/E-H (E = Si or H) σ-bond metathesis

Chem Commun (Camb). 2011 Mar 21;47(11):3147-9. doi: 10.1039/c0cc05165a. Epub 2011 Jan 27.

Abstract

The Ti=NNMe(2) group of Cp*Ti{MeC(N(i)Pr)(2)}(NNMe(2)) undergoes 1,2-addition with Si-Cl and reversible addition with Si-H bonds of RSiH(2)X (R = Ph or Bu; X = Cl or H). Labeling studies show that the so-formed silylhydrazide-hydride products react with primary silanes or H(2)via σ-bond metathesis between Ti-H and either Si-H or H-H.