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. 17, 1984
Filed:
May. 07, 1982
Applicant:
Inventors:
Assignee:
Ube Industries, Ltd., Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07B / ; C12P / ;
U.S. Cl.
CPC ...
435280 ; 435108 ;
Abstract
Biochemical optical resolution of DL-.alpha.-methylphenyl alanines in which DL-.alpha.-methylphenyl alanine amides are interacted with the culture products, or their treated products, of a microorganism capable of producing amidase is described. L-.alpha.-methylphenyl alanines having the general formula (I): ##STR1## wherein R.sub.1 and R.sub.2 may be independently a hydrogen atom or lower alkyl groups, or R.sub.1 and R.sub.2 may be alkylene groups combined together to form 5 through 8-membered rings is produced by the steps of: