| 摘要 |
Aralkylphenylureas of the formula <IMAGE> wherein R1 and R2 are hydrogen, alkoxy or unsubstituted or substituted alkyl, cycloalkyl, alkenyl or alkynyl, or R1 and R2 together are unsubstituted or substituted alkylene which may or may not be interrupted by oxygen or sulfur, Y is hydrogen, alkyl, halogen, alkoxy or haloalkyl, A is unsubstituted or substituted alkylene, Z is hydrogen, alkyl, haloalkyl, alkoxyalkyl, cycloalkyl, aralkyl, aryl, aryloxy, halogen, a C4H4 chain which is fused to the benzene ring to give a substituted or unsubstituted naphthyl ring, alkoxy, haloalkoxy, alkylthio, thiocyanato, cyano, <IMAGE> +TR <IMAGE> R' and R'' being hydrogen, alkyl, alkoxy, alkylthio, cycloalkyl or unsubstituted or substituted phenyl and n is 1, 2, 3 or 4, and herbicides containing these ureas.
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