C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/611.1, 71/11
C07C 205/38 (2006.01)
Patent
CA 1036621
ABSTRACT OF THE DISCLOSURE 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 possesses an excellent herbicidal activity to a wide variety of undesireable weeds with an extremely low phyto-toxicity to useful crops.
207962
Harayama Takeo
Igarashi Keiichi
Kurechi Taisuke
Morikawa Osamu
Sato Naoki
Mitsui Toatsu Chemicals Inc.
Na
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