Process for the preparation of phenyl pyrazole compounds
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United States of America Patent
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Jan 29, 2008
Grant Date -
Jan 25, 2007
app pub date -
Sep 28, 2006
filing date -
Jul 5, 2002
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Abstract
A process for the preparation of compound (III) which comprises the reaction between a compound of general formula (V) and dicyano acetylene (IV), said reaction carried out in the presence of water ##STR00001## wherein R is selected from CF.sub.3, or C.sub.1 to C.sub.6 alkyl M is an alkaline or alkaline-earth metal or silver.
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