Polarity-reversal catalysis by thiols of radical-chain hydrosilylation of alkenes

The radical-chain hydrosilylation of alkenes by triethylsilane under very mild conditions is promoted by thiols, which act as polarity-reversal catalysts for the abstraction of electron-rich hydrogen from the silane by nucleophilic β-silylalkyl radicals. Graphic

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Bibliographic Details
Published inTetrahedron letters Vol. 36; no. 16; pp. 2875 - 2878
Main Authors Dang, Hai-Shan, Roberts, Brian P.
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier Ltd 17.04.1995
Elsevier
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
ALKYLBORANES
HOMOLYTIC REACTIONS
HYDROGEN-ATOM ABSTRACTION
TRIETHYLSILANE
LIGATED BORANES
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Summary:The radical-chain hydrosilylation of alkenes by triethylsilane under very mild conditions is promoted by thiols, which act as polarity-reversal catalysts for the abstraction of electron-rich hydrogen from the silane by nucleophilic β-silylalkyl radicals. Graphic
ISSN:0040-4039
1873-3581
DOI:10.1016/0040-4039(95)00372-J