Imidazoline derivatives, salts thereof and their use as pesticides

Claim 1

An imidazoline compound of formula (I): ##STR16## wherein Ar is selected from a phenyl or a mono-, di- or tri-substituted phenyl radical in which the substituents may be the same or different and are selected from alkyl, alkoxy, halogen, hydroxy, cyano, amino, trihalomethyl and nitro and in which any two adjacent, otherwise unsubstituted, carbon atoms of the phenyl ring may together be joined by a carbon chain containing 3 or 4 carbon atoms; X 1 is S; R 1 and R 2 may be the same or different and are selected from hydrogen or alkyl; m is 0 or 1; and Z 2 is a group SO n R 9 or a group ##STR17## in which X 2 is O, S or NR 5 ; R 4 is alkyl, aryl, alkoxy, aryloxy or NR 6 R 7 ; R 5 is alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio or NR 6 R 7 ; R 6 and R 7 may be the same or different and are selected from hydrogen, alkyl, aryl, COR 8 or SO 2 R 8 ; R 8 is alkyl, aryl, alkoxy or aryloxy; n is 1 or 2; R 9 is alkyl, aryl or NR 10 R 11 ; and R 10 and R 11 may be the same or different and are selected from hydrogen, alkyl or aryl, the above mentioned alkyl or alkoxy radicals or moieties containing from 1 to 4 carbon atoms each; the imidazoline compound being the free base or present as an acid addition salt thereof, and in the above aryl is phenyl or naphthyl either unsubstituted or substituted with one or more substituents, the substituents being the same or different and selected from the group consisting of alkyl, alkoxy, halogen, nitro, hydroxy, cyano, carbalkoxy and amino.