Process for preparation of alkoxysilanes

Details Process for preparation of alkoxysilanes Process for preparation of alkoxysilanes

C - Chemistry, Metallurgy

07

F

C07F 7/02 (2006.01) C07B 41/04 (2006.01)

Patent

CA 2670523

Alkoxysilanes are prepared by a process which uses microwave or RF energy. Thus, silicon metal and a copper catalyst are exposed to microwave radiation in the presence of an appropriate hydroxy compound, such as, an alcohol, and a catalyst, to yield the corresponding trialkoxysilane. The desired alkoxysilanes are prepared with high selectivity and at lower temperatures and shorter times than traditional approaches allow.

La présente invention concerne la préparation d'alcoxysilanes par un procédé qui utilise l'énergie micro-onde ou radiofréquence. Ainsi, le métal à base de silicium et un catalyseur à base de cuivre sont exposés à un rayonnement micro-ondes en présence d'un composé hydroxy approprié, tel qu'un alcool, et un catalyseur, afin d'obtenir le trialcoxysilane correspondant. Les alcoxysilanes souhaités sont préparés avec une sélectivité élevée et à de plus faibles températures et en des temps plus courts que ne le permettent les approches traditionnelles.

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