Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2008-07-01
2008-07-01
Puttlitz, Karl J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
Reexamination Certificate
active
07393971
ABSTRACT:
A method for producing 3,3-dimethyl-2-(1-propenyl)cyclopropanecarboxylate represented by the formula (2):wherein R1represent an optionally substituted alkyl group, an optionally substituted aryl group or an optionally substituted aralkyl group, which comprises a 3,3-dimethyl-2-(2-carboxy-1-propenyl)cyclopropanecarboxylate represented by the formula (1):wherein R1is as described above, is brought into contact with a copper compound and a nitrogen-containing aromatic compound, is provided.
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Birch & Stewart Kolasch & Birch, LLP
Puttlitz Karl J
Sumitomo Chemical Company Limited
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