Novel herbicidally active, nuclear-substituted phenoxy-phenoxyal

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

1978-06-14

1980-06-03

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

560 21, A01N 924, C07C 7946

Patent

active

042059780

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: 2726946 (1955-12-01), Mussell
patent: 3060235 (1962-10-01), Martin et al.
patent: 3423470 (1969-01-01), Rohr et al.
patent: 3954442 (1976-05-01), Becker et al.
patent: 4070177 (1978-01-01), Nishiyama et al.
patent: 4106925 (1978-08-01), Rohr et al.
Noguchi et al. I, "Germicidal and Fungicidal, etc"; (1975), CA 84, No. 135297g., (1976).
Noguchi et al. II, "Phenyl Ether Compounds, etc"; (1973), CA 78, No. 124-272v., (1973).

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