CARBAMOYLOXYISOXAZOLE DERIVATIVES, THEIR PREPARATION AND INSECTICIDAL COMPOSITIONS CONTAINING THEM

摘要

Compounds of formula (I): (I) wherein: R1 represents a hydrogen atom or a halogen atom; R2 represents a C1-C6 aklyl group; and A represents an oxygen atom, a sulphur atom, a sulphinyl group or a sulphonyl group which have good insecticidal activity coupled with a low toxicity to warm-blooded animals on formulation with conventional insecticidal carriers or diluents and in combination with various known organic phosphate and carbamate insecticides exhibit a synergistic increase in activity.