| 摘要 |
<p>There are disclosed compounds of formula (I) in which X1 and X2 each represents oxygen; S(O)n, n being 0, 1 or 2; or CO, CH2 or NR, R being hydrogen or alkyl; R1 and R10 are each hydrogen or halogen; R2 and R9 are each hydrogen, halogen, cyano, nitro, alkyl, haloalkyl, alkoxy, alkylthio, amino, mono- or di-alkylamino, alkoxyalkyl, haloalkoxyalkyl or alkoxycarbonyl; R3 and R8 are each hydrogen, chlorine, alkyl, haloalkyl, haloalkenyl, haloalkynyl, haloalkoxy, haloalkoxycarbonyl, haloalkylthio, haloalkoxyalkyl, haloakylsulphinyl, or haloalkylsulphonyl, nitro or cyano; R4 and R7 are each hydrogen, halogen, alkyl or alkoxy; R5 is hydrogen, halogen, cyano, alkyl, haloalkyl, alkoxy, alkylthio, alkylsulphinyl or phenyl; and R6 is hydrogen or, when R5 is hydrogen, alkyl; provided that either each phenyl is unsubstituted or at least one of R3 and R8 is not hydrogen; a method for their preparation, intermediates for their preparation and a composition having useful pesticidal acitivity.</p> |
