Vinylation of silanes and disiloxanes. Preparation of hexavinyldisiloxane |
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| Authors: | Yu V Khoroshavina G A Nikolaev |
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| Institution: | 1804. Lebedev Research Institute of Synthetic Rubber, ul. Gapsal’skaya 1, St. Petersburg, 198035, Russia
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| Abstract: | Vinylation of silanes and disiloxanes has been studied. It has been shown that in the reactions of silanes with vinyl chloride and magnesium or sodium the sole product formed is tetravinylsilane. In the reactions of hexaethoxydisiloxane with vinyl chloride and magnesium, tetravinylsilane is the sole product formed. Hexavinyldisiloxane with yield up to 85% is formed in the reaction of hexaethoxydisiloxane with vinyl chloride and magnesium in the presence of copper(II) salts as alkylation catalyst. |
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