Optically active phenoxypropionic acid derivatives

Details Optically active phenoxypropionic acid derivatives Optically active phenoxypropionic acid derivatives

C - Chemistry, Metallurgy

07

C

260/475.1, 71/8.

C07C 69/736 (2006.01) A01N 39/02 (2006.01) A01N 39/04 (2006.01) A01N 43/40 (2006.01) C07D 213/61 (2006.01) C07D 213/643 (2006.01)

Patent

CA 1188695

ABSTRACT OF THE DISCLOSURE New dextrorotatory enantiomers of phenoxy propionic acid derivatives of the formula (I) Image in which R1 represents a radical of the formula Image wherein X1 represents hydrogen or halogen, x2 represents halogen or trifluoromethyl, X3 represents halogen or trifluoromethyl, X4 represents hydrogen or halogen and X5 represents hydrogen or halogen, Y represents oxygen or the radical SOm, wherein m represents 0, 1 or 2, R2 represents hydrogen or methyl, n represents 1 or 2 and R3 and R4 independently of one another represent hydrogen, halogen, alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, alkylthio with 1 to 4 carbon atoms, nitro, cyano or alkoxycarbonyl with 1 to 4 carbon atoms in the alkoxy group, processes for the preparation of the novel compound and their use as herbicides.

444136

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