| abstract |
The invention relates to new N-substituted benzenesulphonamides of general formula <IMAGE> in which N IS 2 OR 3, R1 and R2 are hydrogen atoms, methyl, ethyl groups, or jointly form with the nitrogen a nitrogenized heterocyclic ring having 5 or 6 members, in particular a piperidino, pyrrolidino or morpholino group, R3 is a hydrogen atom, an NO2 group, an NH2 group, or a halogen, R4 is a hydrogen, a halogen, an NH2 group or a sulphonamide group. |