An N-2-(hetero)arylethylcarboxamide derivative represented by the formula (I)
wherein R
1
and R
2
are each independently a hydrogen atom etc., R
3
and R
4
are each independently a hydrogen atom etc., each Y is independently a halogen atom; a (C
1
-C
6
)alkyl group optionally substituted by halogen atom(s) etc., n is an integer of 1 to 5, A is a specific substituted cyclic group, E is C—H; C—Y (Y is as defined above); or a nitrogen atom, a salt thereof, and a pest controlling agent containing the derivative or salt as an active ingredient show superior performance as compared to the prior art technique, and are is useful particularly as plant disease controlling agents or nematocides having a broad control spectrum at a low dose.
一种N-2-(杂)芳基乙基羧酰胺衍
生物,其
化学式表示为(I),其中R1和R2分别独立地表示氢原子等,R3和R4分别独立地表示氢原子等,每个Y独立地表示卤原子;一种(C1-C6)烷基,该烷基可选择地被卤原子等取代等,n为1至5的整数,A是一种特定的取代环状基团,E为C—H;C—Y(其中Y如上所定义);或氮原子,其盐,以及含有该衍
生物或盐作为活性成分的
杀虫剂与先前技术相比表现出卓越性能,并且特别适用于具有广泛控制光谱的植物病害控制剂或线虫剂,剂量低。