Phosphinoaliphaticsilane catalysts for preparation of .beta.-cya

Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing

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C07F 710

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active

052471101

ABSTRACT:
The present invention is a process for the preparation of .beta.-cyanoalkylsilanes by contacting a mixture comprising trichlorosilane and an olefinic nitrile with novel phosphinoaliphaticsilane catalysts. The phosphinoaliphaticsilane catalysts are effective in the process as homogeneous catalysts or as supported heterogeneous catalysts. A preferred catalyst for the present process is a phosphinoaliphaticsilane on a solid support. The supported phosphinoaliphaticsilane catalysts have greater activity then the analogous homogeneous catalyst at lower temperatures.

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