申请人:Nippon Kayaku Kabushiki Kaisha
公开号:EP3287457A1
公开(公告)日:2018-02-28
The purpose of the present invention is to provide a mesoionic compound or a salt thereof that exhibits excellent control activity against various pests. Provided is a mesoionic compound represented by formula (1).
(In the formula, Ra represents a hydrogen atom or a methyl group, R1 represents a phenyl group or pyridyl group which is optionally substituted with up to two substituents selected independently from R2, and R2 represents a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a methyl group, an ethyl group, an n-propyl group, an i-propyl group, a c-propyl group, an n-butyl group, an i-butyl group, an s-butyl group, a t-butyl group, a fluoromethyl group, a difluoromethyl group, a trifluoromethyl group, a methyloxy group, an ethyloxy group, an n-propyloxy group, an i-propyloxy group, a c-propyloxy group, an n-butyloxy group, an i-butyloxy group, a s-butyloxy group, a t-butyloxy group, an n-pentyloxy group, a trifluoromethyloxy group, a 2,2,2-trifluoroethyloxy group, a methylthio group, a methylsulfoxy group, a methylsulfonyl group, a vinyl group, an ethynyl group, etc.)
本发明的目的是提供一种中离子化合物或其盐,该化合物或其盐对各种害虫具有优异的防治活性。本发明提供了一种由式(1)表示的介离子化合物。
(式中,Ra 代表氢原子或甲基,R1 代表苯基或吡啶基,该苯基或吡啶基任选被最多两个独立于 R2 选出的取代基取代,R2 代表氢原子、氟原子、氯原子、溴原子、甲基、乙基、正丙基、异丙基、丙基、正丁基、异丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、正丁基、氟甲基、二氟甲基、三氟甲基、甲氧基、乙氧基、正丙氧基、一丙氧基、丙氧基、正 丁氧基、一丁氧基正戊氧基、三氟甲基氧基、2,2,2-三氟乙基氧基、甲硫基、甲硫基、甲磺酰基、乙烯基、乙炔基等。)