Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2007-08-28
2007-08-28
Oh, Taylor Victor (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C562S506000
Reexamination Certificate
active
10501094
ABSTRACT:
A process for the production of a 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivative of formula (2):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):wherein R is as defined above, with a periodic acid compound in the presence of a ruthenium compound.
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Oh Taylor Victor
Sumitomo Chemical Company Limited
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