Radical transfer hydrosilylation/cyclization using silylated cyclohexadienes.
[reaction: see text] A new method for mild metal-free hydrosilylation is described. Silylated cyclohexadienes are used as radical transfer hydrosilylating reagents for various double and triple bonds. A trialkylsilane is transferred from a cyclohexadiene moiety to an alkene. The hydrosilylation can be combined with a C-C bond formation as shown for the preparation of silylated cycloalkanes from the corresponding dienes.
Amrein
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Fachbereich Chemie der Universität Marburg, Hans-Meerwein-Strasse, D-35032 Marburg.
Timmermann
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Studer
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