| 摘要 |
Use as herbicides of compounds of formula I
<CHEM>
wherein A, B and D are hydrogen, halogen, hydroxy, nitro, cyano, thiocyano, optionally substituted alkyl, optionally substituted alkenly, optionally substituted alkoxy, optionally substituted alkenyloxy, optionally substituted alkynyloxy optionally substituted alkylthio, optionally substituted cycloalkyl, optionally substituted amino, optionally substituted phenyl, carboxy, alkoxycarbonyl, optionally substituted carbamoyl, sulfo, alkylsulfonyl or optionally substituted sulfamoyl; R<2>, R<3>, R<4>, R<5> and R<6> are hydrogen, halogen, nitro, cyano, thiocyano, formyl, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted cycloalkyl, optionally substituted alkylcarbonyl, optionally substituted amino, optionally substituted phenyl, optionally substituted carbamoyl, sulfo, alkoxysulfonyl, optionally substituted sulformyl or the group YR<1> or
@YR1 wherein Y is oxygen or sulfur and R<1> is hydrogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkyl, optionally substituted cycloakyl, optionally substituted acyl, optionally substituted alkoxy-carbonyl, optionally substituted phenyl or the cation of an inorganic or organic base; X is oxygen or sulfur; and B, R<3> and R<5> are not all hydrogen. |
