Quinolonecarboxylic acid derivatives and their use as antiviral agents

US5217972A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Klaus Grohe · Odenthal, DE
• Wolfgang Dummer · Krefeld, DE
• Kai Rossen · Hanau, DE
• Arnold Paessens · Haan, DE

Key dates

• Filing date: Sep 19, 1990
• Grant date: Jun 8, 1993
• Expiry date: Sep 19, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D471/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

New quinolone-carboxylic acids of the general formula (I) ##STR1## wherein the definitions for R.sub.1 -R.sub.9 are given in the description, a process for their preparation and their use as medicaments, in particular as antiviral agents.