| abstract |
The invention relates to novel 4-benzoylisoxazole derivatives of formula (I), wherein: R represents hydrogen or -CO2R5; R1 represents alkyl; cyclopropyl or 1-methylcyclopropyl; R2 represents chlorine, bromine, optionally substituted alkyl, alkoxy, haloalkoxy, -S(O)¿pR?61, nitro or cyano; R3 represents -S(O)¿nR?6; R4 represents hydrogen, fluorine, chlorine, bromine, optionally substituted alkyl, alkoxy, haloalkoxy, -S(O)¿qR?61, nitro, cyano or -CO¿2?R?52; R5 and R61¿, which may be the same or different, each represents alkyl or haloalkyl; R51 represents alkyl or haloalkyl; R52 represents alkyl; R6 represents alkyl, alkenyl or alkynyl optionally substituted by one or more halogens; n, p and q, which may be the same or different, each represents zero, one or two; and their use as herbicides. |