ARTHROPODICIDES

摘要

Compounds with arthropodicidal activity having general formula (I) and their isomeric forms wherein R1 is a halo group; or a lower alkyl, lower alkoxy or lower alkylthio group, in each of which the alkyl group may be substituted with one or more halo groups; R2 is hydrogen or a halo or halomethyl group; or R1 and R2 together form a methylenedioxy, or a difluoro-methylenedioxy group or, R1 and R2 together with the carbon atoms to which they are attached, form an aromatic ring; X is a fluoro, chloro or bromo group; A' is O, S, NH, or NZ where Z is lower alkyl or haloalkyl or cyano group; R3 is 3-phenoxyphenyl, 2-phenoxy-6-pyridyl, 4-fluoro-3-phenoxyphenyl, or 2-phenoxy-3-fluoro-6-pyridyl; R4 is hydrogen or cyano.