A Facile Synthesis of 1,1-Bis(silyl)ethenes

Symmetrical 1,1-bis(silyl)ethenes have been easily prepared via ruthenium complex-catalyzed silylative coupling cyclization of 1,2-bis(dimethylvinylsiloxy)ethane to give 2,2,4,4-tetramethyl-3-methylene-1,5-dioxa-2,4-disilacycloheptane with excellent selectivity and good yield, followed by its reacti...

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Veröffentlicht in:Journal of organic chemistry 2005-01, Vol.70 (1), p.370-372
Hauptverfasser: Pawluc, Piotr, Marciniec, Bogdan, Hreczycho, Grzegorz, Gaczewska, Beata, Itami, Yujiro
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Sprache:eng
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Zusammenfassung:Symmetrical 1,1-bis(silyl)ethenes have been easily prepared via ruthenium complex-catalyzed silylative coupling cyclization of 1,2-bis(dimethylvinylsiloxy)ethane to give 2,2,4,4-tetramethyl-3-methylene-1,5-dioxa-2,4-disilacycloheptane with excellent selectivity and good yield, followed by its reaction with Grignard reagents. The cyclic product can also be effectively transformed into cyclic carbosiloxane, 2,2,4,4,6,6,8,8-octamethyl-3,7-dimethylene-1,5-dioxa-2,4,6,8-tetrasilacyclooctane.
ISSN:0022-3263
1520-6904
DOI:10.1021/jo048784c