Patent · US Expired

1,2,3,4-Tetrahydro-carbazole compounds and .beta.-adrenergic compositions

US3976779A · kind A · utility

2Cited by

2References

13Claims

0Family size

Assignee

Boehringer Mannheim GmbH · DE

Inventors

Herbert Leinert · Heppenheim, DE
Alfred Popelak
Kurt Stach
Wolfgang Bartsch · Viernheim, DE
Karl Dietmann

Key dates

Filing date	Apr 16, 1975
Grant date	Aug 24, 1976
Priority date	—
Expiry date	Apr 16, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D209/88
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

New 1,2,3,4-tetra-hydrocarbazole derivatives of the formula: ##SPC1## Wherein R.sup.1 is straight-chained or branched alkyl, and the pharmacologically compatible salts thereof, are markedly effective as inhibitors of adrogenic .beta.-receptors and thus useful for the treatment and prophylaxis of cardiac and circulatory diseases.

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