1 - phenyl - 3 - benzoyl - (thio) - ureas, their preparation and use as skadedyrsbekaempelsesmidler

摘要

1-Phenyl-3-benzoyl-(thio)ureas of the formula IMAGE (I) in which X represents oxygen or sulphur, R1 represents hydrogen, halogen, nitro, alkyl or alkylthio, R2, R4 and R5 are identical or different and represent hydrogen or halogen, R3 represents hydrogen, halogen or nitro, R6 and R7 are identical or different and represent hydrogen, halogen or alkyl, R8 and R9 are identical or different and represent hydrogen or halogen and R10 represents halogenoalkylthio or halogenoalkoxy, with certain exclusions, which possess insecticidal and acaricidal activity.