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:
Aug. 02, 2011
Filed:
Oct. 04, 2006
Masaki Okamoto, Osaka, JP;
Akira Sakuragi, Osaka, JP;
Yoshikazu Mori, Osaka, JP;
Muneki Kishida, Osaka, JP;
Masaki Okamoto, Osaka, JP;
Akira Sakuragi, Osaka, JP;
Yoshikazu Mori, Osaka, JP;
Muneki Kishida, Osaka, JP;
Mitsubishi Tanabe Pharma Corporation, Osaka-Shi, JP;
Abstract
The present invention relates to a method for preparing an optically active cyclic alcohol compound represented by general formula [I]: [wherein R represents a hydrogen atom or a protecting group for amino group, and * represents an astymmetric carbon atom.]which comprises a step of subjecting a cyclic ketone compound represented by general formula [II]: [wherein R has the same meaning as defined above.]to asymmetric reduction (A) in the presence of an optically active oxazaborolidine compound and a boron hydride compound, or (B) in the presence of an asymmetric transition metal complex obtained from a transition metal compound and an asymmetric ligand and a hydrogen donor, and relates to said compound.