Patent · US Expired

5-Sulfamoyl-orthanilic acids and process for their preparation

US4161533A · kind A · utility

3Cited by

3References

9Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Karl Sturm
Roman Muschaweck

Key dates

Filing date	Apr 26, 1978
Grant date	Jul 17, 1979
Priority date	—
Expiry date	Apr 26, 1998

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D307/52
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Salidiuretically-active 5-Sulfamoyl-orthanilic acids and their salts, substituted in 4-position by halogen, methyl, phenoxy or phenylthio and by furyl or thienyl at the nitrogen atom, are disclosed, as is and a process for their manufacture by reacting a furyl- or thienyl-substituted amine with corresponding halogen-substituted benzene derivatives.

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