| 摘要 |
N-Arylsulfonyl-N'-pyrimidinyl-and N'-triazinylureas of formula I <IMAGE> (I) wherein Q is <IMAGE> (Q1) <IMAGE> (Q2) <IMAGE> (Q3) R is hydrogen or methyl; R1 is hydrogen, fluoro, chloro, C1-C4alkyl or methoxy; R2 is hydrogen, fluoro or chloro; R3, R4, R5, R6 and R7 are each independently of one another hydrogen or C1-C4alkyl; R8, R9, R10, R11 and R12 are each independently of one another hydrogen or C1-C4alkyl; R13, R14, R15, R16 and R17 are each independently of one another hydrogen or C1-C4alkyl; Z is methyl or 2-pyridyl; E is methine or nitrogen; X is C1-C4alkyl, C1-C4alkoxy, C1-C4haloalkoxy, C1-C4haloalkylthio, C1-C4alkylthio, C2-C5alkoxyalkyl, C2-C5alkoxyalkoxy, C2-C5alkylthioalkyl or cyclopropyl; Y is C1-C4alkyl, C1-C4alkoxy, C1-C4haloalkoxy, C1-C4haloalkyl, C1-C4haloalkylthio, C1-C4alkylthio, halogen, C2-C5alkoxyalkyl, C2-C5alkoxyalkoxy, amino, C1-C3alkylamino or di-(C1-C3alkyl)amino; and the salts of these compounds with amines, alkali metal or alkaline earth metal bases or with quaternary ammonium bases, have good pre-and postemergence selective herbicidal and growth regulating properties.
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