120501-76-0Relevant articles and documents
Base-free dehydrogenative coupling of enolizable carbonyl compounds with silanes
Koenigs, C. David F.,Klare, Hendrik F. T.,Ohki, Yasuhiro,Tatsumi, Kazuyuki,Oestreich, Martin
supporting information; experimental part, p. 2842 - 2845 (2012/08/07)
A dehydrogenative coupling between enolizable carbonyl compounds and equimolar amounts of triorganosilanes catalyzed by a tethered ruthenium complex with a Ru-S bond is reported. The complex is assumed to fulfill a dual role by activating the Si-H bond to release a silicon electrophile and by abstracting an α-proton from the intermediate silylcarboxonium ion, only liberating dihydrogen as the sole byproduct. Reaction rates are exceedingly high at room temperature with very low loadings of the ruthenium catalyst.