Patent · US Expired

5-(4-Chloro-3-sulfamoylbenzoyl)-2,3-dihydro-2-benzofurancarboxylic acids and their compositions having diuretic, saluretic and uricosuric activity

US4574128A · kind A · utility

2Cited by

3References

3Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Bernhard Seuring · Frankfurt am Main, DE
Hans-Jochen Lang · Hofheim, DE
Max Hropot · Flörsheim, DE
Roman Muschaweck

Key dates

Filing date	May 15, 1984
Grant date	Mar 4, 1986
Priority date	—
Expiry date	May 15, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D307/80
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

5-(4-Chloro-3-sulfamoylbenzoyl)-2,3-dihydro-2-benzofurancarboxylic acids of the formula I ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent hydrogen, halogen or methyl, both as racemic mixtures and in the form of their optical isomers, and their physiologically tolerated salts are described, as is their preparation. They are outstanding diuretics and saluretics with an additional uricosuric component.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.