The invention relates to methods for producing sulfonamides of formula I, wherein the variables have the designations cited in the description, by reacting m-nitro-benzoic acid chlorides of formula II with aminosulfons of formula III, under the influence of B equivalents of base IV. Said method is characterized in that, during step a) the aminosulfon of formula III is reacted with B1 equivalents of base IV, and during step b), the reaction mixture resulting from step a) is reacted with m-nitro-benzoic acid chlorides of formula II and B2 equivalents of base IV; B, B1 and B2 having the designations cited in the description.
本发明涉及通过反应式II的m-硝基
苯甲酸氯化物与式III的
氨基磺酰化合物,在B当量的IV碱的作用下制备式I的磺酰胺的方法,其中变量具有所述描述中引用的符号。所述方法的特征在于,在步骤a)期间,式III的
氨基磺酰化合物与B1当量的IV碱反应,并且在步骤b)期间,由步骤a)得到的反应混合物与式II的m-硝基
苯甲酸氯化物和B2当量的IV碱反应;其中,B、B1和B2具有所述描述中引用的符号。