Ureas

Details Ureas Ureas

C - Chemistry, Metallurgy

07

D

260/263, 71/7.9

C07D 239/42 (2006.01) A01N 47/36 (2006.01)

Patent

CA 1313666

5-16980/= Novel Ureas Abstract The present invention relates to novel N-(2-nitrophenyl)-N-pyrimidin-2-ylureas having a herbicidal and plant growth-regulating activity, to agrochemical compositions containing those substances as active ingredients, to the use of the novel ureas for controlling weeds or for regulating plant growth, and to processes for the preparation of the novel compounds. The invention also relates to novel intermediates and to processes for the preparation thereof. The novel compounds correspond to formula I Image (I) in which R1 is hydrogen, methyl, fluorine, chlorine or bromine, R2 is C1-C2haloalkyl having at least 2 fluorine atoms, and R3 is C1-C4alkyl, with the proviso that R2 is not trifluoromethyl when R3 is methyl.

596186

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