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. 05, 2006
Filed:
Apr. 19, 2004
Applicants:
Takayuki Hamada, Kawasaki, JP;
Kunisuke Izawa, Kawasaki, JP;
Inventors:
Takayuki Hamada, Kawasaki, JP;
Kunisuke Izawa, Kawasaki, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 229/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an effective method for the production of optically active N-aryl-β-amino acid compounds, which at the same time is suitable for industrial production. In the method of the present invention optically active sulfonylated β-hydroxycarboxylic acid compounds, which are readily derived from β-keto carboxylic acid compounds, are reacted with aromatic amines to produce optically active N-aryl-β-amino acid compounds.