C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/311.9
C07D 261/12 (2006.01) A01N 47/18 (2006.01)
Patent
CA 1160236
ABSTRACT Compounds of formula (I): Image (I) (wherein: R1 represents a hydrogen atom or a halogen atom; R2 represents a C1-C6 alkyl group; and A represents an oxygen atom, a sulphur atom, a sulphlnyl group or a sulphonyl group) have good insecticidal activity coupled with a low toxicity to warm-blooded animals. Compounds in which A represents an oxygen or sulphur atom can be prepared by reacting a corresponding alkali metal alkoxide or mercaptide with the correspond1ng 3-dimethylcarbamoyloxy-5-halomethyl- isoxazole derivative, whilst compounds where A represents a sulphinyl or sulphonyl group may be prepared by oxidizing the corresponding compound wherein A represents a sulphur atom. The compounds may be formulated with conventional insecticidal carriers or diluents and exhibit a synergistic increase in activity when combined with various known organic phosphate and carbamate insecticides.
389795
Fujita Katsuhiro
Matsumoto Keigo
Murakami Tadashi
Tomita Kazuo
Tsuji Hideakira
Marks & Clerk
Sankyo Company Limited
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