Method for preparation of alkenylsilanes

C - Chemistry – Metallurgy – 07 – F

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C07F 7/08 (2006.01)

Patent

CA 2237379

A method for preparation of alkenylsilanes comprising contacting magnesium metal with a mixture comprising diethylene glycol dibutyl ether, an alkenyl halide and a halosilane at a temperature within a range of 5 to 200°C. The method provides a high yield of alkenylsilane that is easily recoverable and that also achieves high ratios of alkenylsilane product to diethylene glycol dibutyl ether utilized.

Divulgation d'une méthode de préparation d'alcénylsilanes consistant à mettre en contact du magnésium métallique avec un mélange comprenant de l'éther dibutylique de diéthylèneglycol, un halogénure d'alcényle et un halosilane, à une température située dans la gamme allant de 5 à 200 .degrés.C. Cette méthode permet d'obtenir un haut rendement en alcénylsilane, facilement récupérable, ainsi que des rapports élevés alcénylsilane produit/éther dibutylique de diéthylèneglycol utilisé.

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