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Polycarbosilanes DOI: 10.1002/anie.200805840
 

Summary: Polycarbosilanes
DOI: 10.1002/anie.200805840
Radical Polymerization of the Silene (Me3Si)2Si=CR2 by Hydrogen
Transfer from a Trimethylsilyl Group**
Dmitry Bravo-Zhivotovskii,* Semyon Melamed, Victoria Molev, Nadejda Sigal,
Boris Tumanskii, Mark Botoshansky, Gregory Molev, and Yitzhak Apeloig*
Dedicated to Professor Armin de Meijere on the occasion of his 70th birthday
Exciting progress has been achieved over the last two decades
in the study of silenes -- compounds with a Si=C bond - and
of other multiply bonded silicon compounds.[1]
By analogy
with the well-known polymerization of olefins, R2C=CR2,
leading to polyolefins, it could be expected that silenes also
polymerize to yield polycarbosilanes, (R2SiCR2)n. Poly-
carbosilanes have unique properties, and they are of signifi-
cant practical interest.[2]
It is therefore surprising that
polymerization of a silene to form a polycarbosilane has not
yet been reported.[3,4]
Herein, we report the polymerization of a silene,

  

Source: Apeloig, Yitzhak - Department of Chemistry, Technion, Israel Institute of Technology

 

Collections: Chemistry