Oblon, Spivak, McClelland, Maier & Neustadt
Uracil derivatives and herbicides containing the same as active ingredient
 Disclosed herein is uracil derivatives having a trifluoromethyl group at the 6-position and a phenyl group at the 3-position which has a NHSO.sub.2 D.sup.26 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) and showing 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. 
Nissan Chemical Industries Ltd.
A C C C C C A C A
A01N C07D C07D C07D C07D C07D A01N C07D A01N
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Koichi Kaoru Kenzou Shigeomi Tsutomu Jun
Suzuki Itoh Fukuda Watanabe Nawamaki Satow