Herbicidally active phenoxy-phenoxy- alkanecarboxylic acid...

Details Herbicidally active phenoxy-phenoxy- alkanecarboxylic acid... Herbicidally active phenoxy-phenoxy- alkanecarboxylic acid...

A - Human Necessities

01

N

260/471.1, 260/5

A01N 39/04 (2006.01) A01N 39/02 (2006.01)

Patent

CA 1153008

Abstract of the Disclosure The invention is concerned with new herbicidal active 4-(cyanophenoxy)-.alpha.-phenoxy-alkanecarboxylic acid derivatives of the type Image wherein R1 is hydrogen, halogen, CF3 or CN, preferably chlorine, R2 is preferably hydrogen, R3 and R4 is hydrogen or lower alkyl, preferably R4 is hydrogen and R3 is methyl, and R5 is an acid derivative, especially an ester group. The invention is further concerned with herbicidal compositions containing such new derivatives and with methods for the selective control of grass-like weeds in crops of dicotyledonous and also monocotyledonous plants such as cereals.

282276

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