Herbicidal diphenyl ethers, their preparation and their use...

A - Human Necessities – 01 – N

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260/541.1, 71/10

A01N 41/08 (2006.01) C07C 143/86 (1985.01) C07C 147/00 (1985.01)

Patent

CA 1212958

Abstract of the Disclosure: Diphenyl ethers of the formula Image where Z1 and Z2 are each hydrogen, halogen, nitro, cyano, carboxyl, alkyl, haloalkyl or alkoxy, Z3 is halogen, nitro, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylmercapto, haloalkylmercapto, alkylsulfinyl, haloalkylsulfinyl, alkyl- sulfonyl or haloalkylsulfonyl, Y is halogen, cyano or nitro, R1 is hydrogen, alkyl, cycloalkyl, alkoxy, halo- alkyl or alkoxyalkyl, R2 is hydrogen, alkyl, acyl or an alkali metal atom and R3 is hydrogen, alkyl or an alkali metal atom , and herbicides containing these compounds.

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