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Regio- and Stereoselective Hydrosilylation of Unsymmetrical Alkynes Catalyzed by a Well-Defined, Low-Valent Cobalt Catalyst

Alejandro Rivera-Hernández, Brendan J. Fallon, Sandrine Ventre, Cédric Simon, Marie-Hélène Tremblay, Geoffrey Gontard, Etienne Derat, Muriel Amatore, Corinne Aubert and Marc Petit*

*UPMC UNIV Paris 06, Institut Parisien de Chimie Moléculaire, UMR CNRS 8232, Case 229, 4 Place Jussieu, Paris 75252 Cedex 05, France, Email: marc.petitupmc.fr

A. Rivera-Hernández, B. J. Fallon, S. Ventre, C. Simon, M.-H. Tremblay, G. Gontard, E. Derat, M. Amatore, C. Aubert, M. Petit, Org. Lett., 2016, 18, 4242-4245.

DOI: 10.1021/acs.orglett.6b01987 (free Supporting Information)


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Abstract

A well-defined low-valent cobalt(I) catalyst [HCo(PMe3)4] enables a highly regio- and stereoselective hydrosilylation of internal alkynes. The reaction provides in many cases a single hydrosilylation isomer for various hydrosilanes and unsymmetrical alkynes.

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Key Words

vinylsilanes, vinylsiloxanes


ID: J54-Y2016