Journal of the Chemical Society. Chemical communications p. 1079 - 1081 (1988)
Update date:2022-08-04
Topics:
Bortolin, Roberto
Parbhoo, Bhukan
Brown, Scott S. D.
The pericyclynosilanes, systematically known as cyclopoly(silapropynylenes), (R2SiC<*>C)n (where R=Me or Ph, n>/=5) have been synthesised, in high yield, by the reaction of the dilithium derivatives of diorganodiethynylsilanes with the corresponding diorganodichlorosilanes, and the dodecamethyl (n=6) and dodecaphenyl (n=6) derivatives have been isolated and fully characterised; when the organic substituents present in the diorganodiethynylsilane differ from those of the diorganodichlorosilane, a redistribution reaction is observed, leading to a product in which the organosilicon units are randomly distributed.
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