Patent number: 6645919
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.
Type:
Grant
Filed:
November 14, 2002
Date of Patent:
November 11, 2003
Assignee:
BASF Aktiengesellschaft
Inventors:
Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Helmut Walter, Cyrill Zagar, Matthias Witschel