Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives
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United States of America Patent
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Aug 28, 2007
Grant Date -
Apr 28, 2005
app pub date -
Dec 26, 2002
filing date -
Jan 10, 2002
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Expired
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Abstract
A process for the production of a 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivative of formula (2): ##STR00001## wherein R is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl, which process comprises reacting a 3,3-dimethyl-2-(2-methyl-1-propenyl)cyclopropanecarboxylic acid compound of formula (1): ##STR00002## wherein R is as defined above, with a periodic acid compound in the presence of a ruthenium compound.
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