| 摘要 |
Substituted N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'-triazinylureas of the general formula <IMAGE> and the salts thereof with amines, alkali metal bases or alkaline earth metal bases, or with quaternary ammonium bases, have good pre- and postemergence selective herbicidal and growth regulating properties. In the above formula the symbols have the following meanings: R1 is hydrogen, halogen, nitro, cyano, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4alkylthio, C1-C4alkylsulfonyl, C1-C4alkylsulfinyl, -CO-R8, -NR9R10, -CO-NR11R12 or -SO2-NR13R14, R2 is hydrogen, halogen, C1-C4alkyl, C1-C4alkoxy, C1-C4alkylthio, C1-C4alkylsulfinyl or C1-C4alkylsulfonyl, R3 is hydrogen, C1-C4alkyl, C1-C4haloalkyl or cyano, R4 is hydrogen or C1-C4alkyl, R5 is hydrogen, C1-C4alkyl or C1-C4alkoxy, R6 and R7 are each independently hydrogen, halogen, C1-C4alkyl, C1-C4alkoxy, C1-C4haloalkyl, C1-C4haloalkoxy, C1-C4alkylthio, C1-C4haloalkylthio, C2-C4alkoxyalkyl, C3-C6cycloalkyl or -NR15R16, R8 is hydrogen, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4haloalkoxy, C1-C4alkylthio or C2-C4alkoxyalkoxy, R9, R10, R11, R12, R13, R14, R15 and R16 are each independently hydrogen or C1-C4alkyl, A is a radical -Y-(CH2)n-R17 or <IMAGE> R17 is a 5- or 6-membered unsaturated heterocyclic radical, R18 and R19 are each independently hydrogen, halogen, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4haloalkoxy, nitro or cyano, E is nitrogen or -CH=, Y is oxygen, sulfur or a direct bond, T and Z are each independently oxygen or sulfur, and n is 0 or 1.
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