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:
Oct. 19, 2010
Filed:
Feb. 08, 2008
Applicants:
Shigeru Kawahara, Kanagawa, JP;
Yusuke Amino, Kanagawa, JP;
Masakazu Sugiyama, Kanagawa, JP;
Inventors:
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 209/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a process for selectively producing an enantiomer at position 4 of an optically active compound in the cross aldol reaction of pyruvic acid and indole-3-pyruvic acid. The process comprises the step of reacting pyruvic acid with indole-3-pyruvic acid in the presence of an optically active α-amino acid containing a secondary amine and a metal ion.