Diphenyl ether herbicides

Details Diphenyl ether herbicides Diphenyl ether herbicides

C - Chemistry, Metallurgy

07

D

260/363, 260/364

C07D 307/87 (2006.01) A01N 43/12 (2006.01) C07D 307/88 (2006.01)

Patent

CA 1327809

ABSTRACT DIPHENYL ETHER HERBICIDES Phenoxy phthalide derivatives having the general formula II: Image (II) wherein R1 represents a hydrogen or halogen atom or an alkyl or haloalkyl group; R2 and R3, which may be the same or different, each independently represents a hydrogen or halogen atom or an alkyl, haloalkyl, nitro or cyano group; each group R4 represents an an identical alkenyl or alkynyl group; and X represents an oxygen or sulphur atom; together with their preparation, and use as herbicides.

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