SUBSTITUTED 2-BENZOYL-CYCLOHEXAN-1,3-DIONES WITH HERBICIDAL EFFECT

摘要

The invention concerns 2-benzoyl-cyclohexan-1,3-diones of formula (I), in which R1, R2 stand for hydrogen, nitro, halogen, cyano, rhodano, alkyl, halogen alkyl, alkoxyalkyl, alkenyl, alkinyl, -OR5, -OCOR6, -OSO2R6, -SH, S(O)nR7, -SO2OR5, -SO2NR5R8, -NR8SO2R6 or -NR8COR6; R3 stands for hydrogen, cyano, alkyl, halogen alkyl, -OR7, -SR7 or -NR7R10; R4 stands for hydrogen, optionally substituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkinyl, COR9, -CO2R9, -COSR9 or -CONR8R9; X stands for oxygen or NR8; n equals 0, 1 or 2; R5 stands for hydrogen, alkyl, halogen alkyl, alkoxyalkyl, alkenyl or alkinyl; R6 stands for alkyl or halogen alkyl; R7 stands for alkyl, halogen alkyl, alkoxyalkyl, alkenyl or alkinyl; R8 stands for hydrogen or alkyl; R9 stands for alkyl, alkenyl, alkinyl, phenyl or benzyl; R10 stands for alkyl, halogen alkyl, alkenyl or alkinyl; Q stands for an optionally substituted cyclohexan-1,3-dione ring linked in position 2. Also disclosed are the salts of these compounds useful in agriculture; processes and intermediate products for preparing the compounds of formula (I), agents containing the same and the use of these derivatives or agents containing the same for controlling undesirable plants.