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. 10, 2001
Filed:
May. 01, 1998
Applicant:
Inventors:
Bryan H. Landis, Manchester, MO (US);
John S. Ng, Chicago, IL (US);
Ravindra S. Topgi, Palatine, IL (US);
Edward E. Yonan, Carol Stream, IL (US);
Ping T. Wang, Manchester, MO (US);
Assignee:
Monsanto Company, Skokie, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 1/304 ; C07C 1/04 ;
U.S. Cl.
CPC ...
C12P 1/304 ; C07C 1/04 ;
Abstract
A method for preparing a chiral beta amino acid or its corresponding esters which comprises contacting a racemic beta amino acid, an acyl donor and Penicillin G acylase enzyme under conditions appropriate to stereoselectively acylate one enantiomer of the racemic beta amino acid to its corresponding N-acylated derivative whereby the opposite enantiomer of the beta amino acid is retained in enantiomerically enriched form.