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:
Sep. 13, 2011
Filed:
Jan. 15, 2007
Kiyoshi Sugi, Osaka, JP;
Masahide Tanaka, Hyogo, JP;
Yoshihiro Kawada, Osaka, JP;
Daisuke Sasayama, Osaka, JP;
Kiyoshi Sugi, Osaka, JP;
Masahide Tanaka, Hyogo, JP;
Yoshihiro Kawada, Osaka, JP;
Daisuke Sasayama, Osaka, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
Disclosed is a method for production of an optically active biphenylalanine compound represented by the formula (2): (wherein, Ris a protective group of an amino group, and Rand Rare each independently a hydrogen atom, etc.)or a salt thereof and an optically active biphenylalanine ester compound represented by the formula (3): (wherein, Ris an alkyl group, etc.)wherein the method comprises hydrolyzing a biphenylalanine ester compound represented by the formula (1): with a protease produced by a microorganism belonging tosp. in the presence of at least one alkali selected from an alkali metal hydroxide and an alkaline earth metal hydroxide.