Silicon-transition metal bonds Subject

Derivatives of Silicon, Germanium, Tin, and Lead containing Bonds to Transition Metals.—Derivatives containing Group IV metal-Transition metal bonds have in recent years been the subject of substantial activity. A... 

Due to their important role as intermediates in the technical synthesis of silicones, organosilanols have been the subject of extensive studies over several decades [2], In context with studies on the reactivity of functionalized silicon-transition metal complexes a new type of silanols containing an Si-bonded transition metal has been established. Access to these metallosilanols is opened by the hydrolysis of metallohalosilanes [3] and by the oxygenation of metallosilanes with dimethyl-dioxirane [4]. Recently also a catalytic pathway for the SiH/SiOH conversion in the case of... 

There is a large and growing field of transition metal chemistry in which silicon-containing ligands are involved. The object of this review is to provide a guide to the literature on those aspects of the subject described by the title and to deal in detail with topics not treated specifically elsewhere. Section II is concerned with complexes having Si-transition metal (M) bonds, Section III with the role of transition metal complexes in hydrosilylation, and Section IV with complexes having Si—C—M bonds. 

Transition-metal chemistry is currently one of the most rapidly developing research areas. The record of investigation for compounds with metal silicon bonds is closely comparable to that for silicones it was in 1941 when Hein discovered the first metal silicon complex, followed by Wilkinson in 1956. A milestone in the development of this chemistry was Speier s discovery of the catalytic activity of nobel metal complexes in hydrosilylation reactions in 1977. Hydrosilylation is widely used in modem organic syntheses as well as in the preparation of organo functionalized silicones. Detailed investigations of the reaction mechanisms of various catalysts continue to be subject of intense research efforts. 

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