Patent · US Expired

4-Hydroxy-benzimidazole compounds and therapeutic compositions

US3982012A · kind A · utility

5Cited by

0References

14Claims

0Family size

Assignee

Boehringer Mannheim GmbH · DE

Inventors

Erich Fauland
Wolfgang Kampe
Max Thiel
Wolfgang Bartsch · Viernheim, DE
Wolfgang Schaumann · Heidelberg, DE

Key dates

Filing date	Jun 10, 1975
Grant date	Sep 21, 1976
Priority date	—
Expiry date	Jun 10, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D235/08
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

New 4-hydroxy-benzimidazole compounds of the formula: ##EQU1## wherein R.sub.1 is straight-chained or branched alkyl and PA1 R.sub.2 is hydrogen atom or lower alkyl And the pharmacologically compatible salts thereof; are outstandingly effective in the treatment and prophylaxis of cardiac and circulatory diseases, and provide substantially greater margins of safety than prior art adrenergic .beta.-receptor inhibitors.

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