1,3-Bis[2-(ethynyldimethylsilyl)vinyl]tetramethyldisiloxane and Macrocyclic Polyunsaturated Siloxanes on Its Basis

被引：0
|
作者：
O. G. Yarosh
L. V. Zhilitskaya
N. K. Yarosh
A. I. Albanov
M. G. Voronkov
机构：
[1] Russian Academy of Sciences,Favorskii Irkutsk Institute of Chemistry, Siberian Branch
来源：
Russian Journal of General Chemistry | 2005年 / 75卷
关键词：
Hydrolysis; Vinyl; Chloro; Siloxane; Chloroplatinic Acid;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Hydrosilylation of diethynyldimethylsilane with tetramethyldisiloxane in the presence of chloroplatinic acid give rise to a mixture of three stereoisomers of 1,3-bis[2-(ethynyldimethylsilyl)vinyl]tetramethyldisiloxane: trans-trans, gem-trans, and gem-gem. Hydrolysis of chloro[2-(ethynyldimethylsilyl)vinyl]dimethylsilane provides the trans-trans isomer of 1,3-bis[2-(ethynyldimethylsilyl)vinyl]tetramethyldisiloxane exclusively. Reactions of an organomagnesium derivative of the disiloxane with dichlorodiorganylsilanes allowed synthesis of novel polyunsaturated macrocyclic siloxanes. The 1H, 13C, and 29Si NMR spectra of the products were studied.
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页码：1230 / 1233
页数：3
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