Insecticidal heterocyclic compounds of the formula
wherein A represents a five-membered or six-membered heteroaryl group containing one to three hetero atoms selected from the group consisting of S, O and N, said heteroaryl group being unsubstituted or substituted by a halogen atom or C1-4 alkyl group, Z represents a three-membered straight chain, each member being selected from the group consisting of CH2—, O, S and N—R2 with at least one of said three members being O, S or N—R2, E represents CH2, O, S or N—R2, wherein R2 represents a hydrogen atom, a C1-4 alkyl group, a C1-4 alkoxy group or the group
wherein R3 represents a hydrogen atom or halogen atom, X represents CH or N, Y represents a nitro group or cyano group, and R1 represents a hydrogen atom or methyl group.
式中,A代表一个含有1-3个S、O或N杂原子的五元或六元杂环芳基基团,该杂环芳基基团未被取代或被卤素原子或C1-4烷基基团取代;Z代表一个三元直链,每个成员均从
CH2-、O、S和N-R2组成,其中至少一个成员为O、S或N-R2;E代表 、O、S或N-R2;R2代表氢原子、C1-4烷基、C1-4烷氧基或该式中R3代表氢原子或卤素原子的基团;X代表CH或N;Y代表硝基或
氰基;R1代表氢原子或甲基基团。