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:
Nov. 09, 1993
Filed:
Mar. 10, 1993
Applicant:
Inventors:
Ian T Barnish, Kent, GB;
Keith James, Kent, GB;
Assignee:
Pfizer Inc., New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ; C07C / ;
U.S. Cl.
CPC ...
556418 ; 560 38 ;
Abstract
The invention provides the substantially optically pure 2(S)-stereoisomeric form of compounds of the formulae: ##STR1## and the salts thereof, together with processes for their preparation. The compounds are intermediates for the preparation of antihypertensive agents.