7-(1-pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives

US4990517A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Uwe Petersen · Leverkusen, DE
• Thomas Schenke · Odenthal, DE
• Andreas Krebs · Odenthal, DE
• Klaus Grohe · Odenthal, DE
• Michael Schriewer · Odenthal, DE
• Ingo Haller · Wuppertal, DE
• Karl G. Metzger · Wuppertal, DE
• Rainer Endermann · Wuppertal, DE
• Hans-Joachim Zeiler · Velbert, DE

Key dates

• Filing date: Jun 30, 1989
• Grant date: Feb 5, 1991
• Expiry date: Jun 30, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D513/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

7-(1-Pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives, of the formula ##STR1## in which X.sup.1 is halogen, PA1 X.sup.2 is hydrogen, halogen, amino or other radical, PA1 R.sup.1 is alkyl, cycloalkyl, optionally substituted phenyl or other radical, PA1 R.sup.2 is hydrogen, alkyl or a dioxolylmethyl radical, PA1 R.sup.3 is ##STR2## A is N, CH, C-halogen, or the like, or forms a bridge with R.sup.1, and addition products thereof.