The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 2010
Filed:
Jun. 30, 2005
Makoto Itagaki, Katano, JP;
Ryo Minamida, Kyotanabe, JP;
Makoto Itagaki, Katano, JP;
Ryo Minamida, Kyotanabe, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
A method for producing an optically active cyclopropanecarboxylate compound represented by the formula (5): wherein R, R, Rand Rrepresent a C1-C6 alkyl group or the like and Rrepresents a C1-C6 alkyl group,which comprises reacting an olefin represented by the formula (3): wherein R, R, Rand Rare as described above,with a diazoacetic acid ester represented by the formula (4):NCHCOR  (4)wherein Ris as described above,in the presence of an asymmetric copper complex obtained by mixing
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