Dicarboximides, their preparation and their use as herbicides

US5386036A · kind A · utility

Assignee

• BASF SE

Inventors

• Peter Muenster · Neulußheim, DE
• Wolfgang Freund · Neustadt, DE
• Gerd Steiner · Tauberbischofsheim, DE
• Helmut Walter · Obrigheim, DE
• Karl-Otto Westphalen · Speyer, DE
• Matthias Gerber · Schifferstadt, DE

Key dates

• Filing date: Aug 23, 1993
• Grant date: Jan 31, 1995
• Expiry date: Aug 23, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D495/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Dicarboximides of the general formula Ia and Ib ##STR1## where X is oxygen or sulfur, R.sup.1 is hydrogen, cycloalkyl, alkyl, hydroxyl, alkoxy, cyanoalkyl, alkenyl, alkynyl, phenyl, naphthyl or a 5-membered or 6-membered heterocyclic structure, where the stated radicals may be substituted, and R.sup.2 and R.sup.3 are each nitro, cyano, halogen, amino, mono- or dialkylamino, alkylcarbonylamino, unsubstituted or halogen-substituted alkoxy or alkylthio, alkylsulfonyl, haloalkylsulfonyl, alkenyl, alkynyl, phenyl, phenoxy or phenylthio or one of the radicals R.sup.1, with the proviso that specific compounds named in the description are excluded. Processes for the preparation of the compounds Ia and Ib and herbicides containing them.