2-phenoxypropionic acid derivatives of pentites, processes...

Details 2-phenoxypropionic acid derivatives of pentites, processes... 2-phenoxypropionic acid derivatives of pentites, processes...

C - Chemistry, Metallurgy

07

D

260/352, 71/7.2,

C07D 317/30 (2006.01) A01N 43/28 (2006.01) A01N 43/40 (2006.01) A01N 43/60 (2006.01) C07D 317/24 (2006.01) C07D 405/14 (2006.01)

Patent

CA 1218373

ABSTRACT "2-Phenoxypropionic acid derivatives of pentites, processes for their preparation and herbicidal compositions containing them" The invention provides 2-phenoxypropionic acid derivatives of pentites of the general formula Image I in which any one of the Y substituents represents a group of the general formula Image II in which Z represents a phenyl, 2-pyridyl or 2-quinoxalinyl radical each of which is unsubstituted or substituted by one or more of the same or different substituents selected from halogen atoms, (C1-C6)-alkoxy radicals, (C1-C6)-alkyl radicals, nitro groups and trifluoro- methyl groups, and each two of the other Y substituents represents a group of the general formula Image III in which R1 and R2 are the same or different and each represents a hydrogen atom, a (C1-C10)-alkyl radical, a (C1-C10)-alkyl radical substituted by one or more of the same or different substituents selec- ted from halogen atoms, (C1-C6)-alkoxy radicals, phenoxy groups and halogen-substituted phenoxy groups, an aryl-(C1-C3)-alkyl radical, an aryl-(C1-C3)-alkyl radical substituted by one or more of the same or different substituents selected from (C1-C6)-alkyl radicals, halogen atoms, (C1-C6)-alkoxy radicals and nitro and trifluoromethyl groups, a (C3-C8)-cycloaliphatic hydrocarbon radical, an aromatic hydrocarbon radical, or an aromatic hydrocarbon radical substituted by one or more of the same or different substituents selected from (C1-C6)-alkyl radicals, halogen atoms, (C1-C6)-alkoxy radicals and nitro and trifluoromethyl groups, or R1 and R2, together with the adjacent carbon atom, represent a (C3-C8)-cycloaliphatic hydrocarbon radical, and processes for their preparation, herbicidal preparations containing them and processes for their use as herbicides. If desired, they may be used with other active substances such as phenmedipham, desmedi- pham or other biscarbamates.

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