Heterocyclic phenoxyalkanoic acid derivatives

Details Heterocyclic phenoxyalkanoic acid derivatives Heterocyclic phenoxyalkanoic acid derivatives

C - Chemistry, Metallurgy

07

D

260/309, 260/311

C07D 263/58 (2006.01) A01N 43/52 (2006.01) A01N 43/74 (2006.01) C07D 235/12 (2006.01) C07D 263/56 (2006.01) C07D 277/64 (2006.01)

Patent

CA 1149392

ABSTRACT OF THE DISCLOSURE Substituted phenoxyalkanoic acid derivatives of the formula (I) Image (I) in which R is halogen, CF3, NO2, CN, NH2, alkyl, alkoxy, alkylthio or (substituted) phenoxy, n is 0 - 4, A is oxygen, sulphur, NH or N-alkyl, X is -CH2- or -CH2CH2-, R1 is H or alkyl and Z is carboxy, esterified carboxy, carbonamide, carbohydrazide, thioamide, cyano, hydroxymethyl, acyloxymethyl or sulphonyloxymethyl, are active as herbicides especially against monocotyledonous weeds.

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