Diphenyl ether derivatives

Details Diphenyl ether derivatives Diphenyl ether derivatives

C - Chemistry, Metallurgy

07

D

260/363, 260/366

C07D 307/88 (2006.01) A01N 43/12 (2006.01) C07C 65/24 (2006.01) C07D 307/89 (2006.01)

Patent

CA 1327811

ABSTRACT DIPHENYL ETHER DERIVATIVES Novel diphenyl ether derivatives having the general formula I, Image I in which 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; and R4 represents a hydrogen atom or an alkyl group. The compounds of the invention shows herbicidal activity at a level higher than many compounds of similar structure. They are therefore useful as herbicides.

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