BENZOYL-UREAS HAVING INSECTICIDE ACTIVITY

摘要

Compounds are disclosed having formula: (I) wherein: R is Cl, F; R1 is H, Cl, F; R2 and R5, equal to or differing from each other, are H, halogen, alkyl C1-C4; R3 and R4, equal to or differing from each other, are: H, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkenyl, haloalkenyl, alkenyloxy, haloalkenyloxy or alkynyl; Z is O, S or a group NR7, wherein R7 is alkyl C1-C3 or H; Y is alkylene C2-C4, haloethylene or haloethenyl; R6 is alkyl C1-C4, haloalkyl C1-C4, alkenyl C3-C4, haloalkenyl C3-C4, cycloalkyl C3-C4, halocycloalkyl C3-C4 or cycloalkenyl C3-C4. The compounds having formula (I) are endowed with an elevated insecticide activity, which shows itself chiefly against insect larvae and eggs.