Acylamino-substituted isoxazole or isothiazole derivatives, their preparation and their use

US5538939A · kind A · utility

Assignee

• BASF SE

Inventors

• Peter Muenster · Neulußheim, DE
• Ernst Schefczik
• Hartmann Koenig · Schifferstadt, DE
• Matthias Gerber · Schifferstadt, DE
• Karl-Otto Westphalen · Speyer, DE
• Helmut Walter · Obrigheim, DE

Key dates

• Filing date: Aug 24, 1994
• Grant date: Jul 23, 1996
• Expiry date: Aug 24, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D261/18
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Acylamino-substituted isoxazole or isothiazole derivatives of the formula I ##STR1## where X is oxygen or sulfur; R.sup.1 is unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl or phenyl; R.sup.2 is CN, CONH.sub.2, CSNH.sub.2, or haloalkyl; R.sup.3 is hydrogen or unsubstituted or substituted alkyl or cycloalkyl; R.sup.4 is alkoxy, unsubstituted or substituted alkyl, cycloalkenyl, cycloalkyl, alkenyl or alkynyl, an unsubstituted or substituted 5-membered or 6-membered heterocyclic radical or unsubstituted or substituted phenyl; haloalkyl, alkoxy, haloalkoxy, alkylthio and/or haloalkylthio, and agriculturally useful salts of the isoxazole or isothiazole derivatives I, useful as herbicides.