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Regiocontrol in the cobalt-catalyzed hydrosilylation of alkynes

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Abstract

Hydrofunctionalizations of unsaturated hydrocarbons are key strategies for the synthesis of functionalized building blocks. Here, we report highly versatile cobalt-catalyzed hydrosilylations of alkynes that operate with minute amounts of the inexpensive, bench-stable pre-catalyst Co(OAc)2·4H2O under mild conditions (0.1–1 mol%, THF, r.t., 1 h). Near-perfect regiocontrol/stereocontrol was induced by the choice of the ligand: bidentate phosphines afforded (E)-β-vinylsilanes; α-vinylsilanes formed with bipyridine ligands.

Graphical abstract: Regiocontrol in the cobalt-catalyzed hydrosilylation of alkynes

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Publication details

The article was received on 07 Sep 2018, accepted on 04 Oct 2018 and first published on 05 Oct 2018


Article type: Communication
DOI: 10.1039/C8CC07267A
Citation: Chem. Commun., 2018, Advance Article
  • Open access: Creative Commons BY-NC license
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    Regiocontrol in the cobalt-catalyzed hydrosilylation of alkynes

    G. Wu, U. Chakraborty and A. Jacobi von Wangelin, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C8CC07267A

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