Diphenyl ethers, their preparation and their use as herbicides

Details Diphenyl ethers, their preparation and their use as herbicides Diphenyl ethers, their preparation and their use as herbicides

A - Human Necessities

01

N

260/549.45, 260/

A01N 39/02 (2006.01) A01N 37/40 (2006.01) A01N 37/48 (2006.01) A01N 41/10 (2006.01)

Patent

CA 1205087

Abstract of the Disclosure: Diphenyl ethers of the formula Image where Z1, Z2 and Z3 independently of one another are each hydrogen, halogen, nitro, cyano, carboxyl, alkyl of 1 to 4 carbon atoms, or haloalkyl, alkoxy, haloalkoxy, alkylmercapto, haloalkylmercapto, alkylsulfinyl, halo- alkylsulfinyl, alkylsulfonyl or haloalkylsulfonyl where alkyl is in each case of 1 to 4 carbon atoms, Y is hydrogen, halogen, cyano or nitro and Q is -CO-MA-OR1, where A is hydrogen, alkyl of 1 to 4 carbon atoms, a metal ion or an unsubstituted or substituted ammonium ion and R1 is carboxyalkyl, alkoxycarbonylalkyl or carbamylalkyl of not more than 10 carbon atoms, her- bicides which contain these diphenyl ethers as active ingredients, and methods of controlling undesirable plant growth using these active ingredients.

391205

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