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. 21, 2015
Filed:
Jan. 30, 2014
Applicant:
Takasago International Corporation, Ota-ku, Tokyo, JP;
Inventors:
Kazushi Mashima, Ikeda, JP;
Yusuke Kita, Minoo, JP;
Takuto Nagano, Osaka, JP;
Atsuhiro Iimuro, Ikeda, JP;
Kenta Yamaji, Gifu, JP;
Shoji Hida, Konan, JP;
Kiyoto Hori, Koza-gun, JP;
Hideki Nara, Fujisawa, JP;
Assignee:
Takasago International Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 211/02 (2006.01); C07D 213/26 (2006.01); C07B 53/00 (2006.01); C07D 211/12 (2006.01);
U.S. Cl.
CPC ...
C07D 213/26 (2013.01); C07B 53/00 (2013.01); C07D 211/12 (2013.01);
Abstract
Disclosed is a method for producing an optically active 2-arylpiperidinium salt, comprising asymmetrically hydrogenating a pyridinium salt in the presence of an iridium complex and hydrogen, the 2-arylpiperidinium salt being represented by the following general formula (1):