A diphenyl ether derivative of the formula:
wherein R1, R2, R3 and R4 each independently represent a hydrogen atom, a halogen group, a nitro group, a formyl group, a hydroxyl group, a lower alkyl group which may be unsubstituted or substituted, a lower alkoxy group which may be unsubstituted or substituted, a lower alkylthio group which may be unsubstituted or substituted or lower alkylsulfonyl group which may be unsubstituted or substituted, an aralkyl group which may be unsubstituted or substituted or an aryloxy group which may be unsubstituted or substituted, with proviso that all of Rl, R2, R3 and R4 cannot represent a hydrogen atom at the same time; m is an integer of 1 or 2; n is an integer of 1 to 5; X and Y each independently represent oxygen atom, sulfur atom or an imino group which may be unsubstituted or substituted with a lower alkyl group; A represents a straight or branched alkylene group having 2 to 4 carbon atoms; and B represents a heterocyclic group containing at least one nitrogen atom as the hetero atom, processes for preparing the same and insecticides and acaricides containing the same as active ingredient.
式中的
二苯醚衍
生物:
其中 R1、R2、R3 和 R4 各自独立地代表氢原子、卤素基、硝基、甲酰基、羟基、未取代或取代的低级烷基、未取代或取代的低级烷氧基、可未被取代或取代的低级烷
硫基或可未被取代或取代的低级烷磺酰基、可未被取代或取代的芳烷基或可未被取代或取代的芳氧基,但所有 Rl、R2、R3 和 R4 不能同时代表氢原子;m 是 1 或 2 的整数; n 是 1 至 5 的整数; X 和 Y 各自独立地代表氧原子、
硫原子或可未被取代或被低级烷基取代的亚
氨基; A 代表具有 2 至 4 个碳原子的直链或支链亚烷基;和 B 代表至少含有一个氮原子作为杂原子的杂环基团,以及制备上述物质的工艺和含有上述物质作为活性成分的
杀虫剂和
杀螨剂。