| 摘要 |
<p>N-Phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'-triazinylureas N-Phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'-triazin-ylureas of the general formula I < IMG > (I), wherein A is a radical of the formula -C?C-R, m is 1 or 2, E is the methine group or nitrogen, Z is oxygen or sulfur, R is hydrogen; unsubstituted or substituted, branched or unbranched C1-C9alkyl; unsubstituted or substituted C3-C9cycloalkyl; unsubstituted or substituted phenyl; or an unsubstituted or substituted 5- or 6-membered aromatic heterocyclic ring, R1 is hydrogen, halogen, C1-C5alkyl, C2-C5alkenyl or a radical -Y-R5, R2 is hydrogen, halogen, C1-C5alkyl, C2-C5alkenyl, C1-C4haloalkyl, or a radical -Y-R5, -COOR6, -NO2 or -CO-NR7-R8, R3 and R4, each independently of the other, are hydrogen, C1-C4alkyl, C1-C4alkoxy, C1-C4alkylthio, C1-C4haloalkyl, C1-C4haloalkoxy, C1-C4haloalkylthio, halogen, C2-C5alkoxyalkyl, -NR9R10 or -O-CH2-CH2-NR9R10, R5 and R6, each independently of the other, are C1-C5alkyl, C2-C5alken-yl or C2-C6alkynyl, C1-C5haloalkyl, C2-C5haloalkenyl or C2-C6alk-oxyalkyl, R7 and R8, each independently of the other, are hydrogen, C1-C5alkyl, C2-C5alkenyl or C2-C6alkynyl, R9 is hydrogen, methyl or ethyl, R10 is hydrogen, C1-C4alkyl, C1-C4alkoxy, methoxymethyl, cyanomethyl, cyanoethyl, C3-C5alkenyl or C3-C6alkynyl, and Y is oxygen, sulfur, a sulfinyl or sulfonyl bridge and the salts of these compounds with amines, alkali metal bases or alkaline earth metal bases or with quaternary ammonium bases, have good preemergence and postemergence selective herbicidal and growth regulating properties.</p> |
