DIHYDROBENZOFURAN DERIVATIVES AS INSECTICIDAL COMPOUNDS

摘要

The present invention relates to compounds of formula (I) wherein Q is (Q1) or (Q2) G1 is oxygen or sulfur; Y1 is oxygen, sulfur or CH2; Y2, Y3 and Y4 are each independently C-H, C-R5 or nitrogen, wherein no more than one of Y2, Y3 and Y4 is C-R5; Y5 is hydrogen, halogen, C1-C8alkyl, C1-C8haloalkyl or C3-C8cycloalkyl; Y6 is hydrogen, halogen, cyano, C1-C8alkyl, C1-C8haloalkyl or C3-C8cycloalkyl; R1a is hydrogen, C1-C8alkyl, C1-C8alkoxy, C1-C8alkylcarbonyl or C1-C8alkoxycarbonyl; R1b is hydrogen, C1-C8alkyl, C1-C8alkylcarbonyl or C1-C8alkoxycarbonyl; R3 is C1-C8haloalkyl; R4 is aryl or aryl substituted by one to five R10, or heteroaryl or heteroaryl substituted by one to five R10; R6a is hydrogen, cyano, C1-C8alkyl, C1-C8haloalkyl or C3-C8cycloalkyl; R6b is hydrogen, cyano, C1-C8alkyl, C1-C8haloalkyl or C3-C8cycloalkyl; or R6a and R6b together with the carbon atom to which they are attached may form a 3 to 6-membered carbocyclic ring; and R2a, R2b, R and R are as defined in the claims. The invention also relates to methods of controlling insects, acarines, nematodes or molluscs which comprises applying to a pest, to a locus of a pest, or to a plant susceptible to attack by a pest an insecticidally, acaricidally, nematicidally or molluscicidally effective amount of a compound of formula I.