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.

Date of Patent:
Dec. 15, 1998

Filed:

Sep. 27, 1996
Applicant:
Inventors:

Nobuyuki Hamanaka, Osaka, JP;

Kanji Takahashi, Osaka, JP;

Hidekado Tokumoto, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
5462681 ; 5483001 ; 5483561 ; 5483351 ; 546-1 ;
Abstract

A fused benzeneoxyacetic acid derivative of the formula (I): ##STR1## wherein D is a 3-5-membered ring; B is a C.sub.1-4 group; R.sup.1 is OH alkoxy, (alkyl) amino, residue of an amino acid; A is phenyl, alkyl substituted by phenyl, residue of an imidazole, imidazole-2-yloxy(thio), 2-oxoimidazole, pyrazole, oxadiazole, oxazole, trizole, isoxazole or isothiazole, in the group of benzene may be substituted by one to three of alkyl, alkoxy, halogen, nitro or trihalomethyl; and salts thereof possess an agonistic effect on the PGI.sub.2 receptor, so is useful for prevention and/or treatment of thrombosis, arteriosclerosis, ischemic heart diseases, gastric ulcer and hypertension.


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