Silicometallics and catalysis

Several processes of silicon substrates (such as hydrosilylation, dehydroge native silylation and double silylation of alkenes and alkynes, silylative coupling versus cross-metathesis of vinylsilanes with alkenes, polycondensa tion of divinyl-substituted silicon compounds versus ADMET polymerization, dehydrocoupling of hydrosilanes and silylformylation of acetylene) by trans ition-metal complexes are briefly over-viewed. All the reactions occur via a mechanism involving intermediates containing metal-silicon (i.e, silieome tallics versus organometallics) and metal-hydrogen bonds, only occasionally accompanied (sided) by intermediates including metal-carbon bonds. Copyrig ht (C) 2000 John Whey & Sons, Ltd.