.alpha.-¬4-(3'-fluoro-5'-halopyridyl-2'-oxy)-phenoxy|-...

Details .alpha.-¬4-(3'-fluoro-5'-halopyridyl-2'-oxy)-phenoxy|-... .alpha.-¬4-(3'-fluoro-5'-halopyridyl-2'-oxy)-phenoxy|-...

C - Chemistry, Metallurgy

07

D

260/297, 71/8.1,

C07D 213/61 (2006.01) A01N 43/40 (2006.01) C07D 213/643 (2006.01)

Patent

CA 1180717

Abstract There are described novel .alpha.-[4-(3'-fluoro-5'-halo- pyridyl-2'-oxy)-phenoxy]-propionic acid esters and -thio- esters having a herbicidal action and an action reducing the growth of grasses, which compounds correspond to the formula I Image (I) wherein Q is oxygen or sulfur, Hal is halogen, and R is hydrogen, a metal cation, an ammonium group, an unsubstituted or substituted alkyl, cycloalkyl, alkenyl or alkynyl group, or an imino ether group -N=C R1R2, in which R1 and R2 separately are each alkyl, or together they form a 4- or 5-membered methylene chain. These compounds are suitable for selectively controlling weeds in crops of cultivated plants, or for reducing the growth of grasses.

418690

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