| 摘要 |
The invention relates to 2-benzoylcyclohexane-1,3-diones of the formula IwhereR1, R2 are each hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, -OR5, -OCOR6, -OSO2R6, -SH, -S(O)nR7, -SO2OR5, -SO2NR5R8, -NR8SO2R6 or -NR8COR6;R3 is hydrogen, cyano, alkyl, haloalkyl, -OR7, -SR7 or -NR7R10;R4 is hydrogen, substituted or unsubstituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, -COR9, -CO2R9, -COSR9 or -CONR8R9;X is oxygen or NR8;n is 0, 1 or 2;R5 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl;R6 is alkyl or haloalkyl;R7 is alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl;R8 is hydrogen or alkyl;R9 is alkyl, alkenyl, alkynyl, phenyl or benzyl;R10 is alkyl, haloalkyl, alkenyl or alkynyl;Q is a cyclohexane-1,3-dione ring with or without substitution attached in position 2;and agriculturally useful salts thereof;to processes and intermediates for preparing the compounds of the formula I; to compositions comprising them; and to the use of these derivatives or compositions comprising them for controlling undesirable plants. |
