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Cobalt‐Catalyzed Alkyne Hydrosilylation and Sequential Vinylsilane Hydroboration with Markovnikov Selectivity
Author(s) -
Zuo Ziqing,
Yang Ji,
Huang Zheng
Publication year - 2016
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201605615
Subject(s) - hydrosilylation , markovnikov's rule , vinylsilane , chemistry , hydroboration , regioselectivity , catalysis , alkyne , organic chemistry , cobalt , medicinal chemistry
A pyridinebis(oxazoline) cobalt complex is a very efficient precatalyst for the hydrosilylation of terminal alkynes with Ph 2 SiH 2 , providing α‐vinylsilanes with high (Markovnikov) regioselectivity and broad functional‐group tolerance. The vinylsilane products can be further converted into geminal borosilanes through Markovnikov hydroboration with pinacolborane and a bis(imino)pyridine cobalt catalyst.
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