PHENOXY VALERIC ACIDS AND DERIVATIVES THEREOF, USEFUL AS A HERBICIDE

摘要

Phenoxy valeric acids and derivatives thereof represented by the general formula (I): (I) wherein X is a 4-trifluoromethylphenyl group, a 2-chloro-4-trifluoromethylphenyl group, a 5-chloropyridine-2-yl group or a 3,5-dichloropyridine-2-yl group; and R is a hydroxy group, an-O-cation group, a (C1 - C4) alkoxy group, a (C1 - C4)-alkylthio group, a benzyloxy group, or an amino group which may be substituted with a (C1 - C4) alkyl group(s), a phenyl group or a pyridine-2-yl group, useful as a herbicide; a herbicidal composition containing the compound; and methods of controlling weeds using such materials.