The present invention relates to novel benzenesulfonanilide compounds of the formulae I and I′ and physiologically tolerated acid addition salts and the N-oxides thereof. The compounds possess valuable therapeutic properties and are particularly suitable, for treating diseases that respond to modulation of the serotonin 5-HT6 receptor.
wherein
R1 is hydrogen or methyl;
R2 is hydrogen or methyl and is positioned vicinal to the radical R1;
R3 hydrogen, C1-C3 alkyl, halogen, C1-C3 alkoxy, fluorinated C1-C3 alkyl or fluorinated C1-C3 alkoxy;
R4 is hydrogen, C1-C4 alkyl, C3-C4 cycloalkyl, C3-C4 cycloalkylmethyl or fluorinated C1-C4 alkyl;
R5 is hydrogen, fluorine, chlorine, C1-C4 alkyl, fluorinated C1-C4 alkyl, C1-C4 alkoxy or fluorinated C1-C4 alkoxy; and
R6 is hydrogen, fluorine or chlorine.
本发明涉及式I和I'的新型苯磺酰胺化合物及其生理耐受的酸加成盐和其N-氧化物。这些化合物具有有价值的治疗特性,特别适用于治疗对5-HT6受体调节有反应的疾病。
其中:
R1为氢或甲基;
R2为氢或甲基,并位于基团R1的邻位;
R3为氢、C1-C3烷基、卤素、C1-C3烷氧基、
氟化C1-C3烷基或
氟化C1-C3烷氧基;
R4为氢、C1-C4烷基、C3-C4环烷基、C3-C4环烷基甲基或
氟化C1-C4烷基;
R5为氢、
氟、
氯、C1-C4烷基、
氟化C1-C4烷基、C1-C4烷氧基或
氟化C1-C4烷氧基;
R6为氢、
氟或
氯。