Preparation of a Diethynyl Hypervalent Silicon Monomer by Coordination-selective Cleavage: Structure and Polymerization to give Novel Polycarbosilanes containing Main-chain Hexacoordinate Silicon

DOI: 10.1039/c39950000725

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 725 - 726 (1995)

Update date:2022-08-29

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Authors:

Boyer-Elma, Karine

Carre, Francis H.

Corriu, Robert J.-P.

Douglas, William E.

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Article abstract of DOI:10.1039/c39950000725

The hexacoordinate monomer R2Si(CCH)2 , formed from R2Si(CCSiMe3)2 by coordination-selective cleavage of the trimethylsilyl-acetylene bonds in the presence of Buⁿ4NF, undergoes palladium-catalysed cross-coupling polymerization with dihaloarenes to afford novel polycarbosilanes <-R2SiCCArCC->n (Ar = 1,4-phenylene, 4,4'-biphenylene, 9,10-anthrylene) containing hexacoordinate silicon.

Full text of DOI:10.1039/c39950000725

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