| 摘要 |
There are described new compounds of general formula I <IMAGE> (I) in which R1 is aryl or aryl substituted by C1-4-alkyl, halo-C1-4-alkyl, phenyl-C1-4-alkyl, C2-4-alkenyl, halo-C2-4-alkenyl, phenyl-C2-4-alkenyl, C2-4-alkynyl, halo-C2-4-alkynyl, phenyl-C2-4-alkynyl, C1-4-alkoxy, halo-C1-4-alkoxy, phenyl-C1-4-alkoxy, C2-4-alkenyloxy, alkylsulphonyloxy, haloalkylsulphonyloxy, arylsulphonyloxy, halo-C2-4-alkenyloxy, phenyl-C2-4-alkenyloxy, halo, cyano, nitro, aryloxy, haloaryloxy, C1-4-alkylaryloxy, or nitro-C1-4-alkylaryloxy, R2 and R3 are the same or different and are hydrogen, fluorine, cyano or ethynyl, R4 is phenyl or pyridyl or these groups substituted by one or more of C1-6-alkyl, halo-C1-6-alkyl, phenyl-C1-6-alkyl, C1-6-alkyl interrupted by an O-, N- or S- atom, C2-4-alkenyl, halo-C2-4-alkenyl, phenyl-C2-4-alkenyl, C1-4-alkoxy, halo-C1-4-alkoxy, phenyl-C1-4-alkoxy, C2-4-alkenyloxy, halo-C2-4-alkenyloxy, phenyl-C2-4-alkenyloxy, aryloxy, haloaryloxy, C1-4-alkylaryloxy, arylamino, haloarylamino, C1-4-alkylarylamino, aryl-N-C1-4-alkylamino, aryl-N-C1-4 acylamino, aroyl, haloaroyl, C1-4-alkylaroyl, aryl, haloaryl, C1-4-alkylaryl or halo, A is O or S and B is CH2 or O, processes for their preparation and their use as insecticides and acaricides.
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