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:
Sep. 07, 2010
Filed:
Jun. 10, 2005
Erick M. Carreira, Zurich, CH;
Erick M. Carreira, Zurich, CH;
Other;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
The present invention provides a compound represented by the formula (I): wherein ring A is void or a benzene ring optionally having substituent(s), Rand Rare each independently a phenyl group optionally having substituent(s), a cyclohexyl group and the like, Rand Rare each independently a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group and the like, and X is a residue represented by —ORor —NHRwherein Rand Rare a lower alkyl group optionally having substituent(s), an aralkyl group optionally having substituent(s) and the like, a asymmetric transition metal complex containing the compound as a ligand and a production method of optically active compound using the complex as an asymmetric catalyst.