Antibacterial 1,8-bridged 4-quinolone-3-carboxylic acids

US4762831A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Klaus Grohe · Odenthal, DE
• Michael Schriewer · Odenthal, DE

Key dates

• Filing date: Jun 13, 1986
• Grant date: Aug 9, 1988
• Expiry date: Jun 13, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D471/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of a 1,8-bridged 4-quinolone-3-carboxylic acid of the formula ##STR1## wherein the substituents are defined hereinbelow. Some of the compound are new. The old and new compounds are antibacterials and promote animal growth.