PROCESS FOR THE PREPARATION OF RING-SUBSTITUTED N-(DIFLUORALKANOYL)-O-PHENYLENEDIAMINE INSECTICIDES

Title compds. [I; R0 = 2,2-difluoroalkanoyl group of COCF2 Y, Y = H, Cl, F, difluoromethyl, C1-6 perfluoroalkyl or -c(HZ)n-CH2Z group, Z = H or halogen, n = 0, 1, R1 = CO2Y1, benzoyl, furoyl, naphtoyl or COC6H4 Z'PZ"1, Y1 = C1-4 alkyl or phenyl, Z' = halo or nitro, Z" = C1-4 alkyl or C1-4 alkoxy, p = 0, 1 or 2, q = 0, 1, p+q=1-3, R3 halogen, R4 = nitro, m = 0.4, n = 0 or 1, m+n=1-4) , useful as a herbicide and an insecticide were prepd, by the reaction of compds. (II and active substituents of compds. (III) in solvent.