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. 28, 1993
Filed:
Sep. 19, 1991
Applicant:
Inventor:
Kelvin Cooper, Noank, CT (US);
Assignee:
Pfizer Inc., New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514258 ; 514290 ; 514300 ; 514302 ; 514303 ; 544279 ; 546111 ; 546113 ; 546117 ; 546119 ; 546165 ;
Abstract
##STR1## Platelet activating factor antagonists of formula (I), in which R.sup.2 is optionally substituted phenyl, R.sup.1 is H, alkyl or arylalkyl, Het is an optionally substituted N-containing heterocyclic group optionally fused to a phenyl or a further heterocyclic ring, and Z completes an optionally substituted carbocyclic or heterocyclic ring having a carbonyl group attached to the 5-position of the dihydropyridine ring. The compounds are useful for treating allergic and inflammatory conditions.