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:
Jan. 30, 1990
Filed:
Nov. 09, 1988
Applicant:
Inventors:
Hitoshi Inoue, Saitama, JP;
Hiroyasu Koyama, Saitama, JP;
Reiko Kubota, Saitama, JP;
Hirohiko Komatsu, Saitama, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A01K / ;
U.S. Cl.
CPC ...
514369 ; 548183 ;
Abstract
Disclosed are a compound of the formula ##STR1## wherein R.sup.1 is C.sub.1 -C.sub.6 alkyl or a group --(CH.sub.2).sub.n COOR.sup.3 in which n is an integer of 1 to 4 and R.sup.3 is hydrogen or C.sub.1 -C.sub.6 alkyl, and R.sup.2 is a group --CH.dbd.CH--R.sup.4 or --CH.sub.2 --CH.sub.2 --R.sup.4 in which R.sup.4 is substituted or unsubstituted phenyl or a substituted or unsubstituted 5-membered heterocyclic group, or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same as an active ingredient. The compounds have an excellent chemical mediator inhibitory activity.