| 摘要 |
3-(Heterocyclyl)benzoylpyrazole derivatives of the formula Iwhere:X is O, NH or N-alkyl;R1 is nitro, halogen, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl;R2,R3,R4,R5 are hydrogen, alkyl or haloalkyl;R6 is halogen, nitro, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl;R7 is hydroxyl, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarbonyloxy, (alkylthio)carbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, where the phenyl radical may be substituted;R8,R9 are alkyl;R10 is hydrogen or alkyl;R11 is hydrogen or alkyl;and their agriculturally useful salts,compounds for their preparation, and the use of these compounds or of compositions comprising them for controlling undesirable plants are described.
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