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:
Dec. 09, 2008
Filed:
Aug. 04, 2005
Applicant:
Motonobu Takenaka, Kanagawa, JP;
Inventor:
Motonobu Takenaka, Kanagawa, JP;
Assignee:
Takasago International Corporation, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 453/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An object of the present invention is to provide a process for producing optically active 3-quinuclidinol having high optical purity or the salt thereof at high yield. The invention relates to a process for producing optically active 3-quinuclidinol or the salt thereof by reacting 3-quinuclidinone or the salt thereof with hydrogen in the presence of a basic compound, a complex of a transition metal in Groups 8 to 10, an optically active bidentate ligand and an optically active diamine.