Hydrosilylation of B![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/char_e002.gif)
B triple bonds: catalyst- and reductant-free construction of B–Si bonds and B2Si heterocycles†
Dario
Duwe, 
ab
Felipe
Fantuzzi,
abcd
Rian D.
Dewhurst,
ab
Krzysztof
Radacki
ab
and
Holger
Braunschweig
*ab
ab
Felipe
Fantuzzi,
abcd
Rian D.
Dewhurst,
ab
Krzysztof
Radacki
ab
and
Holger
Braunschweig
*ab
Abstract
Hydrosilanes undergo mild, uncatalyzed single and double 1,2-addition across the B–B triple bonds of diborynes, leading to an unsymmetrical silyldiborene and compounds with novel non-cluster three-membered B2Si rings. The reactions are a new addition to the very few catalyst- and alkali-metal-free methods available for the construction of B–Si bonds.
![Graphical abstract: Hydrosilylation of B [[triple bond, length as m-dash]] B triple bonds: catalyst- and reductant-free construction of B–Si bonds and B2Si heterocycles](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=D4CC00141A&imageInfo.ImageIdentifier.Year=2024)
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![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/h2_char_e002.gif)
B triple bonds: catalyst- and reductant-free construction of B–Si bonds and B2Si heterocycles
