| abstract |
An aminoacetonitrile derivative of the formula (1):n n(wherein Ar 1 and Ar 2 represents phenyl group; substitutednphenyl group having at least one subsituent selected fromnhalogen atom, nitro group, cyano group, (halo) C 1 -C 6 alkylngroup, (halo) C 1 -C 6 alkoxyl group, (substituted) phenyl group,n(substituted) phenyloxy group and (substituted) phenylacetylenengroup; (substituted) pyridyl group; and (substituted) naphthylngroup, R 3 represents hydrogen atom, (halo) C 1 -C 6 alkyl group, R 4 nand R 5 represent hydrogen atom, halogen atom, (halo) C 1 -C 6 nalkyl group, W is -O-, -S-, -SO 2 - or -N(R 9 )- (wherein R 9 is anhydrogen atom or C 1 -C 6 alkyl group), and a is 0 or an integernof 1 to 4)), an agricultural and horticultural insecticidencontaining as an active ingredient said derivative, and anmethod for using the insecticide. |