The invention provides insecticidally active compounds of formula I :
wherein W represents one or two substituents selected from halo, alkyl, alkoxy, alkoxyalkyl, haloalkyl and haloalkoxy, or W represents a bidentate group linking adjacent carbon atoms, selected from alkylene and alkylenedioxy; X is selected from hydrogen, halo, hydroxy, alkoxy and acyloxy; Y represents a substituted aryl group where each substituent is selected from halo, alkyl, aryl, aralkyl, aryloxy and arylamino; Z represents a fluoroalkyl group of up to two carbon atoms; and n may have a value selected from 0, 1 and 2.
The invention also provides processes and intermediates useful for the preparation of the compounds of formula I, insecticidal compositions comprising the compounds of formula I, and methods of combating and controlling pests therewith.
本发明提供了具有杀虫活性的式 I 化合物:
其中 W 代表一个或两个取代基,选自卤代、烷基、烷氧基、烷氧基烷基、卤代烷基和卤代烷氧基,或 W 代表连接相邻碳原子的双叉基团,选自亚烷基和亚烷基二氧基;X 选自氢、卤代、羟基、烷氧基和酰氧基;Y 代表取代的芳基,其中每个取代基都选自卤代、烷基、芳基、芳烷基、芳氧基和芳
氨基; Z 代表最多两个碳原子的氟烷基;n 的值可以选自 0、1 和 2。
本发明还提供了用于制备式 I 化合物的工艺和中间体、包含式 I 化合物的杀虫组合物以及用其防治害虫的方法。