| abstract |
N - [(pyrimidin-2-yl) aminocarbonyl] benzene sulfonamides of the general formula (I) in which the substituents have the following notation: R1 = methyl or ethyl; R2 = hydrogen or methyl; R3 = optionally substituted alkyl; an ER6 group, in which E represents O or S, R6 representing optionally fluorosubstituted alkyl, apart from difluoromethoxy, in addition, in the case where E represents O and R5 simultaneously represents trifluoromethyl, R6 also denotes methyl sulfonyl, ethyl sulfonyl, methyl trifluorosulfonyl, allylic sulfonyl or propargyl sulfonyl; NO2 or OH; a dialkyl group, if R5 represents fluorine; a C1-C2 alkyl sulfonyl group, which may carry 1 to 3 halogen atoms; R4 = hydrogen, methyl, ethyl, methoxy, ethoxy, fluorine, chlorine, methylthio, ethylthio, C1-C2 alkoxy halide; R5 = fluorine or trifluoromethyl, as well as their non-polluting salts, manufacturing process and use of said herbicides. |