| 摘要 |
1-(alkylphenoxyphenyl)-3-benzoyl ureas and a process for their preparation are provided. The ureas are useful as the active toxicant in pesticidal composition. The ureas have the general formula: <CHEM> wherein X, X min independently hydrogen, halogen, C1-C4 alkyl. haloalkyl, polyhaloalkyl, alkoxy. polyhaloalkoxy Y represents oxygen or sulfur; m, n are independently 0-4; R1 represents hydrogen, halogen, C1-C4 alkyl, haloalkyl, polyhaloalkyl, or alkoxy, R2 represents hydrogen, halogen, C1-C4 alkyl, polyhaloalkyl, polyhaloalkoxy, C1-C8 alkylsulfonyl, C1-C8 alkoxy, C1-C8 alkylthio, C1-C8 dialkylamino, CN, NO2, CO2R4, or CONHR4 wherein R4 represents C1-C8 alkyl; and R3 represents C1-C12 alkyl, with the proviso that m may not be 0 or 1 when n is less than 2. |
