PROBLEM TO BE SOLVED: To provide a novel compound having a preventive activity on hazardous arthropods.SOLUTION: An amide compound is provided which is represented by formula (I) and which has excellent effect of prevention of hazardous arthropods, wherein Y is a 3 to 7-membered saturated hetero ring containing as a ring-constituting component, one or more atoms or groups selected from the group consisting of an oxygen atom, and -S(O)t- (here, the saturated hetero ring may have 1 to 3 atoms or groups selected from the group D), and t is 0 or the like X is a hydrogen atom or the like W is an oxygen atom or the like u is 0 or the like r is 0 or the like R1, R2, R3, R4, R5, R6, R7 and R8 are identical or different, and a hydrogen atom or the like and n is 1 or the like.COPYRIGHT: (C)2013,JPO&INPIT【課題】有害節足動物に対して防除活性を有する新規な化合物を提供すること。【解決手段】式(I)〔式中、Yは、酸素原子及び-S(O)t-からなる群より選ばれる1個以上の原子または基を環構成成分として含む3-7員飽和へテロ環を表し(ここで、該飽和へテロ環は、群Dより選ばれる1~3個の原子または基を有していてもよい。)、tは0等を表し、Xは水素原子等を表し、Wは酸素原子等を表し、uは0等を表し、rは0等を表し、R1、R2、R3、R4、R5、R6、R7及びR8は、同一または相異なり、水素原子等を表し、nは1等を表す。〕で示されるアミド化合物を提供する。該化合物は優れた有害節足動物防除効果を有する。【選択図】なし
