Benzoyl-ureas having insecticide activity

Abstract From the Canadian patent

There are described compounds having the formula: (I), wherein R is C1, F; R1 is H, C1, F; R2 and R3 equal to or, different from each other ares H, a halogen atom, a C1-C4, alkyl group; R4 and R5 equal to or different from each, other are: H a halogen atom, an alkyl, haloalkyl, alkoxy haloalkoxy, alkenyl, haloalkenyl, alkenyloxy haloalkenyloxy, or alkynyl group; R6 and R7 equal to or different from each, other are: H, a C1-C3 alkyl group, optionally substituted by halogen atoms; Y is H or F; and n is a whole number from 1 to 4, extremes included. These compounds formula (I) are endowed with high insectivide activity chiefly against the, larvae and eggs of insects.