Process for the preparation of 3-phenyl-2-propenones
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United States of America Patent
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Nov 1, 1994
Grant Date -
N/A
app pub date -
Sep 14, 1992
filing date -
Sep 24, 1991
priority date (Note) -
Expired
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Abstract
A novel process for the preparation of 3-pheny-2-propenones of the formula ##STR1## which process comprises reacting phenylmethanesulphonyl fluorides of the formula ##STR2## with ketones of the formula ##STR3## in which A, R, Z and M have the meanings given in the specification, in the presence of a phase transfer catalyst and in the presence of acid binders and inert solvents. The products are known intermediates for the preparation of pesticides and pharmaceuticals.
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