Process for producing alkylidene compounds and arylidene compounds
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United States of America Patent
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Feb 28, 1989
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N/A
app pub date -
Mar 14, 1985
filing date -
Jun 23, 1984
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Expired
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Abstract
Alkylidene compounds and arylidene compounds are prepared by reacting the corresponding CH-acidic compounds with carbonyl compounds in the presence of a catalyst comprising a metal compound of a metal of Groups IIA, IIIA, IVA, IB, IIB, VIB, VIIB, or VIIIB of the periodic table of elements. The rate of reaction is increased by adding 1 to 40% water referred to the weight of catalyst used.
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