Herbicidally active phenyldiketone compounds

摘要

PCT No. PCT/EP96/00624 Sec. 371 Date Jul. 30, 1997 Sec. 102(e) Date Jul. 30, 1997 PCT Filed Feb. 14, 1996 PCT Pub. No. WO96/26193 PCT Pub. Date Aug. 29, 1996Herbicidally active phenyldiketone compounds of the formula I <IMAGE> I in which the substituents have the following meanings: L and M are hydrogen, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C4-alkoxy, it being possible for these groups to be unsubstituted or substituted by one to five halogen atoms or C1-C4-alkoxy, or halogen, cyano, nitro, a group -(Y)n-S(O)mR7 or a group -(Y)n-CO-R8, Z is a 5- or 6-membered heterocyclic saturated or unsaturated radical which has one to three hetero atoms selected from the group consisting of oxygen, sulfur or nitrogen and which is unsubstituted or substituted by halogen, cyano, nitro, a group -CO-R8, C1-C4-alkyl, C1-C4-haloalkyl, C3-C8-cycloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, C1-C4-alkylthio, C1-C4-haloalkylthio, di-C1-C4-alkylamino or which forms a bicyclic system with a substituted or unsubstituted phenyl ring, a fused carbocycle or a fused second heterocycle, Y is O or NR9, n is zero or one, m is zero, one or two, R7 is C1-C4-alkyl, C1-C4-haloalkyl or NR9R10, R8 is C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy or NR9R10, R9 is hydrogen or C1-C4-alkyl, R10 is C1-C4-alkyl, R1 is cyclopropyl, 1-methylcyclopropyl, 1-methylthiocyclopropyl or tert-butyl; and agriculturally salts of the compounds I.