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. 02, 2014
Filed:
May. 02, 2012
Applicants:
Taichiro Touge, Hiratsuka, JP;
Tomohiko Hakamata, Hamamatsu, JP;
Hideki Nara, Fujisawa, JP;
Inventors:
Assignee:
Takasago International Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 311/22 (2006.01); C07C 209/52 (2006.01); C07C 29/143 (2006.01); C07C 41/26 (2006.01); C07F 15/00 (2006.01); B01J 31/18 (2006.01); C07B 53/00 (2006.01);
U.S. Cl.
CPC ...
C07C 209/52 (2013.01); B01J 31/1805 (2013.01); C07C 29/143 (2013.01); C07D 311/22 (2013.01); C07C 41/26 (2013.01); C07B 53/00 (2013.01); C07F 15/0046 (2013.01); B01J 2231/643 (2013.01); B01J 2531/821 (2013.01);
Abstract
Provided is a ruthenium complex that is represented by general formula (1*) and is useful as an asymmetric reduction catalyst. (In the formula, * is an asymmetric carbon atom; Ris an arenesulfonyl group, and the like; Rand Rare a phenyl group, and the like; Rthrough Rare selected from a hydrogen atom, Calkyl group, and the like, but Rthrough Rare not simultaneously hydrogen atoms; X is a halogen atom and the like; j and k are each either 0 or 1; and j+k is 0 or 2.)