6-oxo-pyridazine derivatives, a process for their preparation and medicaments containing these compounds

US4968683A · kind A · utility

Assignee

• Heumann Pharma GmbH · DE

Inventors

• Peter Morsdorf · Langenzenn, DE
• Rolf Herter · Schwabach, DE
• Heidrun Engler · Cadolzburg, DE
• Volker Pfahlert · Munich, DE
• Reinhold Weidner · Nuremberg, DE
• Kurt H. Ahrens · Nürnberg, DE

Key dates

• Filing date: Apr 14, 1989
• Grant date: Nov 6, 1990
• Expiry date: Apr 14, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D403/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

New 6-oxo-pyridazine derivatives corresponding to the general formula I ##STR1## which represent new, positive inotropic compounds having a higher and more selective inotropy-increasing activity are described. A process of preparation and the medical use of these substances or of a medicament containing these substances are also described.