The present invention relates to 2-arylpropyl ether or thioether derivatives represented by the following general formula [I]: ##STR1## wherein Ar stands for an aryl group, R stands for a methyl or ethyl group, Y stands for an oxygen or sulfur atom, and B stands for a group represented by the following formula [II]: ##STR2## or the following general formula [III]: ##STR3## wherein Z stands for an oxygen or sulfur atom or a carbonyl or methylene group, R.sup.1 stands for a hydrogen or halogen atom or a lower alkyl group or a lower alkoxy group, and n is an integer of from 1 to 5 with the proviso that when n is 2 or more, the groups R.sup.1 may be the same or different, and also to processes for the preparation or these ethers of thioethers and a use of these ethers or thioethers. These compounds of the present invention have excellent insecticidal and acaricidal activities while the toxicity of these compounds are very low.
本发明涉及由以下一般式[I]表示的2-芳基丙基醚或
硫醚衍
生物:其中Ar代表芳基,R代表甲基或乙基,Y代表氧原子或
硫原子,B代表由以下式[I]或以下一般式[III]表示的基团:其中Z代表氧原子或
硫原子或羰基或亚甲基基团,R1代表氢原子或卤素原子或较低烷基基团或较低烷氧基团,n是1至5的整数,但当n为2或更多时,基团R1可以相同或不同,并且本发明还涉及制备这些醚或
硫醚的方法以及这些醚或
硫醚的用途。这些本发明的化合物具有出色的杀虫和杀螨活性,同时这些化合物的毒性非常低。