Processes of making .gamma.,.delta.-unsaturated carboxylic acid and silyl ester thereof, carboxyl group-containing organosilicon compound and process of making
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United States of America Patent
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Dec 11, 2007
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app pub date -
Sep 23, 2004
filing date -
Sep 25, 2003
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Abstract
A .gamma.,.delta.-unsaturated carboxylic acid silyl ester is prepared by reacting an .alpha.,.beta.-unsaturated carboxylic acid ester with a hydrosilane or hydrosiloxane in the presence of tris(pentafluorophenyl)borane. .gamma.,.delta.-Unsaturated carboxylic acid derivatives are readily prepared through fewer steps and in high yields.
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