Issue 17, 2018

Sodium triethylborohydride as a catalyst for the dehydrogenative silylation of terminal alkynes with hydrosilanes

Abstract

The first example of sodium triethylborohydride-catalyzed C(sp)–H bond silylation is reported. The reaction of aromatic and aliphatic alkynes with aromatic hydrosilanes and hydrosiloxanes proceeded in a highly selective manner to afford dehydrocoupling products. Competitive hydrosilylation of the terminal alkyne did not occur as a side-reaction. In view of the above it is remarkable that NaHBEt3 is commonly used as a reducing agent generating active transition-metal catalysts in situ in other hydrosilylation reactions.

Graphical abstract: Sodium triethylborohydride as a catalyst for the dehydrogenative silylation of terminal alkynes with hydrosilanes

Supplementary files

Article information

Article type
Communication
Submitted
20 Feb 2018
Accepted
22 Mar 2018
First published
23 Mar 2018

Dalton Trans., 2018,47, 5948-5951

Sodium triethylborohydride as a catalyst for the dehydrogenative silylation of terminal alkynes with hydrosilanes

M. Skrodzki, S. Witomska and P. Pawluć, Dalton Trans., 2018, 47, 5948 DOI: 10.1039/C8DT00684A

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