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:
Jun. 15, 1999
Filed:
Nov. 12, 1997
Applicant:
Inventors:
Andrew John Blacker, Leeds, GB;
Andrew George Brewster, Macclesfield, GB;
Robert Jeffrey Copeland, Macclesfield, GB;
Robert Antony Holt, Northallerton, GB;
Assignees:
Zeneca Limited, London, GB;
Mochida Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
5482686 ; 5482632 ; 5482634 ; 5482638 ; 5482642 ; 5482648 ; 5482652 ; 5482656 ; 5482668 ; 5482672 ; 5482674 ; 5482694 ;
Abstract
Method of preparing an optically active compound of formula, wherein R and R.sup.1 are independently alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkyl, cycloalkyl, aryl, aralkyl, a heterocyclic group or a C.sub.1 -C.sub.4 alkyl-heterocycle, each being optionally substituted, procided that R and R.sup.1 are not identical and * is an optically active chiral center, from the corresponding racemic ester or diol by treating with a hydrolase enzyme.