Process for the preparation of 4-pyridone-3-carboxylic acids and/or derivatives thereof

US4284629A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Klaus Grohe · Odenthal, DE
• Hans-Joachim Zeiler · Velbert, DE
• Karl G. Metzger · Wuppertal, DE

Key dates

• Filing date: Feb 1, 1979
• Grant date: Aug 18, 1981
• Expiry date: Feb 1, 1999

Classification

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

Abstract

The invention provides 4-pyridone-3-carboxylic acids and derivatives thereof together with a method for their preparation. Also included in the invention are compositions containing said 4-pyridone-3-carboxylic acids and derivatives and the use of said compounds and compositions as antibacterial and/or antifungal agents or for animal growth promotion or improved feed utilization.