3-(4,5-Dihydroisoxazol-5-yl)benzoylcyclohexenones and the use thereof as herbicides

US6645919B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Ernst Baumann · Dudenhofen, DE
• Wolfgang von Deyn · Neustadt, DE
• Steffen Kudis · Mannheim, DE
• Klaus Langemann · Worms, DE
• Guido Mayer · Neheim, DE
• Ulf Misslitz · Neustadt, DE
• Ulf Neidlein · Mannheim, DE
• Helmut Walter · Obrigheim, DE
• Cyrill Zagar · Ludwigshafen, DE
• Matthias Witschel · Bad Dürkheim, DE

Key dates

• Filing date: Nov 14, 2002
• Grant date: Nov 11, 2003
• Expiry date: Nov 14, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D261/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

3-(4,5-Dihydroisoxazol-5-yl)benzoylcyclohexenones of the formula I in which the variables have the following meanings:R1, R2 are hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or C1-C6-haloalkylsulfonyl;R3 is hydrogen, halogen or alkyl;R4 is hydrogen or alkyl;R5, R6 are hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl, benzyl or carbonyl, it being possible for the 7 last-mentioned radicals to be substituted;R11 is unsubstituted or substituted cyclohexenone which is linked in position 2 and has attached to it in position 1 a hydroxyl radical or derivatives thereof;and their agriculturally useful salts, processes for the preparation of the 3-(4,5-dihydroisoxazol-5-yl)benzoylcyclohexenones, compositions comprising them, and the use of these derivatives or of compositions comprising them for controlling undesired plants.