Directed cis-hydrosilylation of borylalkynes to borylsilylalkenes†
Kinga
Stefanowska, 
a
Tomasz
Sokolnicki,
ab
Jędrzej
Walkowiak,
a
Agnieszka
Czapik
b
and
Adrian
Franczyk
*a
a
Tomasz
Sokolnicki,
ab
Jędrzej
Walkowiak,
a
Agnieszka
Czapik
b
and
Adrian
Franczyk
*a
Abstract
Hydrosilylation of borylalkynes to borylsilylalkenes (with a different arrangement of substituents) has been successfully developed. The cis-addition of SiH group to the C![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/char_e002.gif)
C bonds was directed by using a specific catalyst. The obtained products are crucial synthons for the introduction of the C![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
C bonds in organic synthesis.
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