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Unexpected catalytic activity of simple triethylborohydrides in the hydrosilylation of alkenes

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Abstract

The first example of sodium triethylborohydride-catalysed hydrosilylation of alkenes is reported. The hydrosilylation of certain alkenes, in particular styrenes, vinylsilanes and allyl glycidyl ether, with aromatic hydrosilanes proceeded in a highly regioselective manner to give Markovnikov products. It is significant that several protocols use NaHBEt3 as a reducing agent generating active catalysts in situ of other hydrosilylation reactions. An anionic mechanism of hydrosilylation is proposed.

Graphical abstract: Unexpected catalytic activity of simple triethylborohydrides in the hydrosilylation of alkenes

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Publication details

The article was received on 27 Feb 2017, accepted on 18 Apr 2017 and first published on 19 Apr 2017


Article type: Communication
DOI: 10.1039/C7CC01531C
Citation: Chem. Commun., 2017, Advance Article
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    Unexpected catalytic activity of simple triethylborohydrides in the hydrosilylation of alkenes

    M. Zaranek, S. Witomska, V. Patroniak and P. Pawluć, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC01531C

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