Uracil derivatives and herbicides containing the same as...

Details Uracil derivatives and herbicides containing the same as... Uracil derivatives and herbicides containing the same as...

C - Chemistry, Metallurgy

07

D

260/258, 71/7.9

C07D 239/54 (2006.01) A01N 43/54 (2006.01) A01N 43/82 (2006.01) A01N 43/84 (2006.01) C07D 413/04 (2006.01)

Patent

CA 2033929

Disclosed herein is uracil derivatives having a trifluoromethyl group at the 6-position and a phenyl group at the 3-position which has a NHSO2D26 group at 5-position of the benzene ring, halogen atom at 4-position thereof and hydrogen atom or halogen atom at 2-position thereof, which are represented by the formula (I) shown below. Image wherein R7 represents hydrogen, fluorine or chlorine; R8 represents chlorine; and D26 represents methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, t-butyl, CH2CF3 or CH2CH2CH2Cl. Compounds of the invention show penetrative translocation activity, a very high herbicidal activity and, particularly, no phytotoxicity against soybean, in which as compared with the conventional herbicidal compounds, the said uracil derivatives can be applied for either soil treatment or soil incorporation treatment, thereby producing a quick and high herbicidal effect even at a very low dosage against a large variety of weeds including perennial weeds, and have the property to residual effect for an appropriate period of time.

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