Heterocyclic compounds, a process for their production and medicaments containing these compounds

US4596811A · kind A · utility

Assignee

• Ludwig Heumann & Co. GmbH · DE

Inventors

• Istvan Szelenyi · Arnstorf, DE
• Stefan Postius · Konstanz, DE
• Helmut Schickaneder · Eckental, DE
• Herbert Hansen · Düsseldorf, DE

Key dates

• Filing date: Oct 18, 1983
• Grant date: Jun 24, 1986
• Expiry date: Oct 18, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D333/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to special heterocyclic compounds corresponding to general tautomeric formula I which are distinguished by improved antagonistic activity on histamine-H.sub.2 -receptors. The invention also relates to a process for producing these compounds and to medicaments containing them.