INSECTICIDAL IMIDATES AND INTERMEDIATES

A series of novel imidate insecticides distinguished by the general formula in which R1 is an optionally substituted aryl group in which the substituents are halo, C1-C4 alkyl, C1-C4 haloalkoxy, C1-C4 alkoxy, C1-C4 haloalkylthio, C3-C6 cycloalkyl, nitro, C1-C4 haloalkyl, C2-C5 carboalkoxy, C1-C4 alkylthio, cyano, C1-C4 alkylsulfonyl, C1-C4 haloalkylsulfonyl; C2-C5 alkylcarbonyl, C2-C4 alkyleneoxy, C1-C4 alkylenedioxy, C1-C3 halo-substituted alkylenedioxy, phenyl, mono-substituted phenyl, pyridyloxy, C2-C4 alkylene, C2-C4 alkenyl, and/or amido; R2 is C1-C7 alkyl, C1-C6 haloalkyl, cyclopropyl, cyclobutyl, mono- or poly- halo- or methyl-substituted cyclopropyl, cyano, C2-C4 alkoxyalkyl, C2-C6 haloalkenyl or C2-C6 alkenyl; and R3 is (a) an optionally substituted 3-phenoxyphenalkyl, 3-phenoxypyridylalkyl, 3-(pyridyloxy)phenalkyl, 3-phenylaminophenalkyl, 3-benzylphenalkyl or benzyloxyphenalkyl moiety; (b) a benzylfuranylmethyl moiety; (c) a 3- or 4-substituted benzyl or tetrafluorobenzyl moiety; (d) 4-phenoxy-2-butyn-2-yl; (e) 2-methyl-3-phenylbenzyl, or (f) 4-(4-trifluoromethyl-2-pyridyloxy)benzyl.