Novel herbicidally active, nuclear-substituted phenoxy-phenoxy-a

Details Novel herbicidally active, nuclear-substituted phenoxy-phenoxy-a Novel herbicidally active, nuclear-substituted phenoxy-phenoxy-a

1978-07-19

1980-03-18

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

562435, H01N 924

Patent

active

041937902

ABSTRACT:
The invention is concerned with new herbicidally active 4-phenoxy-.alpha.-phenoxy-alkanecarboxylic acid derivatives, especially propionic acid esters of the type ##STR1## bearing in the first phenoxy radical a nitro group besides another substituent R.sub.1 which is preferably a halogen atom, the CF.sub.3 group is lower alkyl, alkoxy or alkoxycarbonyl 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 monocotyledonous cultivated plants such as cereals.

REFERENCES:
patent: 2341868 (1944-02-01), Hitchcock et al.
patent: 2412510 (1946-12-01), Jones
patent: 2726946 (1955-12-01), Mussell
patent: 3333943 (1967-08-01), Richter et al.
patent: 3420892 (1969-01-01), Martin et al.
patent: 3642882 (1972-02-01), Gilch et al.
patent: 3721703 (1973-03-01), Nahm
patent: 3784635 (1974-01-01), Theissen
patent: 3954442 (1976-05-01), Becker et al.

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