The present invention provides compounds of formula (I): wherein A1, A2, A3 and A4 are independently of one another C-H, C-R5, or nitrogen； B1--B2--B3-B4 is -CH2-C=N-CH2-, -CH2-N-CH2-CH2-, -CH2-C=CH-O- or -CH=C-CH2-O-； G1 is oxygen or sulfur； L is a single bond or C1-C8alkylene； R1 is hydrogen, C1-C8alkyl, C1-C8alkylcarbonyl-, C1-C8alkoxy, C2-C8alkenyl, C2-C8alkynyl, C1-C8alkoxy-C1-C8alkyl, aryl or aryl substituted by one to three R6, or R1 is heterocyclyl or heterocyclyl substituted by one to three R6 or C1-C8alkoxycarbonyl-； R2 is hydrogen, C1-C8haloalkyl or C1-C8alkyl； R3 is C1-C8haloalkyl； R4 is aryl or aryl substituted by one to three R6, or R4 is heterocyclyl or heterocyclyl substituted by one to three R6； Y1 is CR7R8, C=O or C=S； Y2, Y3 and Y4 are independently CR7R8, C=O, C=S, N-R9, O, S, SO or SO2； wherein at least two adjacent ring atoms in the ring formed by Y1, Y2, Y3 and Y4 are heteroatoms； each R7 and R8 is independently hydrogen, halogen, C1-C8alkyl, or C1-C8haloalkyl； and R5, R6, R7, R8 and R9 are as defined in the claims. The invention also relates to processes and intermediates for preparing these compounds, to insecticidal, acaricidal, nematicidal and molluscicidal compositions comprising these compounds and to methods of using these compounds to control insect, acarine, nematode and mollusc pests.本發明提供了式(I)的化合物：其中A1、A2、A3以及A4彼此獨立地是C-H、C-R5或氮；B1--B2--B3-B4係-CH2-C=N-CH2-、-CH2-N-CH2-CH2-、-CH2-C=CH-O-或-CH=C-CH2-O-；G1係氧或硫；L係單鍵或C1-C8伸烷基；R1係氫、C1-C8烷基、C1-C8烷基羰基、C1-C8烷氧基、C2-C8烯基、C2-C8炔基、C1-C8烷氧基-C1-C8烷基、芳基或被一至三個R6取代的芳基，或R1係雜環基或被一至三個R6取代的雜環基或C1-C8烷氧基羰基；R2係氫、C1-C8鹵烷基或C1-C8烷基；R3係C1-C8鹵烷基；R4係芳基或被一到三個R6取代的芳基，或R4係雜環基或被一到三個R6取代的雜環基；Y1係CR7R8、C=O或C=S；Y2、Y3以及Y4獨立地是CR7R8、C=O、C=S、N-R9、O、S、SO或SO2；其中在由Y1,Y2,Y3以及Y4形成的環中至少兩個相鄰的環原子係雜原子；每個R7以及R8獨立地是氫、鹵素、C1-C8烷基或C1-C8鹵烷基；且R5、R6、R7、R8以及R9係如申請專利範圍中所定義。本發明亦關於用於製備該等化合物的方法以及中間物、包含該等化合物的殺蟲、殺蟎、殺線蟲以及殺軟體動物的組合物且關於使用該等化合物控制昆蟲、蟎蟲、線蟲以及軟體動物有害生物的方法。
