Herbicides

Details Herbicides Herbicides

1974-08-21

1976-07-13

Thomas, Jr., James O.

Chemistry: fertilizers

Processes and products

Forms or conditioning

260613R, A01N 924, C07C 4320

Patent

active

039691020

ABSTRACT:
2,4-Dichloro-3'-(.beta.-chloroethoxy)-4'-nitrodiphenyl ether is prepared by condensing 2,3',4-trichloro-4'-nitrodiphenyl ether with ethyleneglycol in the presence of an acid-binding agent and then chlorinating the hydroxyethoxy group of the resulting condensate. This compound posesses an excellent herbicidal activity to a wide variety of undesirable weeds with an extremely low phyto-toxicity to useful crops.

REFERENCES:
patent: 2676880 (1954-04-01), Schlesinger
patent: 2988571 (1961-06-01), MacFie et al.
patent: 3294847 (1966-12-01), Albright et al.
patent: 3376281 (1968-04-01), Cox et al.
patent: 3776961 (1973-12-01), Theissen
patent: 3798276 (1974-03-01), Bayer et al.
patent: 3849503 (1974-11-01), Shigehara et al.
patent: 3928416 (1975-12-01), Bayer et al.

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