N-((6-trifluoromethylpyrimidin-2-yl)-aminocarbonyl)-2- carboalkoxybenzene-sulfonamides, their preparation and their use

Abstract From the Canadian patent

N-((6-Trifluoromethylpyrimidin-2-yl)aminocarbonyl)-2-carboalkoxybenzenesulfonamides of the general formula Ia Ia, where the substituents have the following meanings: R1 is hydrogen or halogen;, R2 is hydrogen C1-C5-alkyl, C3-C4-alkenyl, C3-C4-alkynyl C1-C5-haloalkyl, C3-C5-alkoxyalkyl, C3-C5-haloalkoxyalkyl or C5-C6-cycloalkyl, R3 is hydrogen, C1-C2-alkyl alkyl, propargyl or C1-C5-alkoxy, R4 is halogen C1-C2-alkyl, C1-C3-alkylthio or C1-C3 alkylamino R3 not denoting hydrogen or C1-C2-alkyl when R4 is C1-C2-alkyl and their, environmentally tolerated salts processes for their manufacture, and, their use.