申请人:Tanabe Seiyaku Co., Ltd.
公开号:US05728706A1
公开(公告)日:1998-03-17
A benzenesulfonamide derivative of the formula \x9bI!: ##STR1## wherein Ring A and Ring B are the same or different and each substituted or unsubstituted benzene ring, Q is a single bond or a group of the formula: --O--, --S--, --SO--, --SO.sub.2 -- or --CH.sub.2 --, Y is a group of the formula: --O--, --S-- or --NH--, Alk is lower alkylene group or lower alkenylene group, Z is a single bond or a group of the formula: --O-- or --NH--, R is a substituted or unsubstituted aromatic heterocyclic or aryl group, R.sup.1 is hydrogen atom, trifluoromethyl group, substituted or unsubstituted lower alkyl group, substituted or unsubstituted lower alkenyl group, mono- or di-lower alkylamino group, substituted or unsubstituted lower alkylthio group, substituted or unsubstituted lower alkoxy group, substituted or unsubstituted lower alkynyl group, aromatic heterocyclic group, substituted or unsubstituted aliphatic heterocyclic group or aryl group, provided that when Z is a single bond, R is a substituted or unsubstituted aromatic heterocyclic group, or a pharmaceutically acceptable salt thereof, and processes for preparing the same, these compounds having endothelin antagonistic activity and being useful in the prophylaxis or treatment of various diseases caused by endothelin.
该化合物为苯磺酰胺衍生物,其化学式为:\x9bI!: ##STR1## 其中环A和环B可以相同或不同,每个环都是取代或未取代的苯环,Q是单键或公式为:--O--,--S--,--SO--,--SO.sub.2--或--CH.sub.2--的基团,Y是公式为:--O--,--S--或--NH--的基团,Alk是较低的烷基或较低的烯基烷基,Z是单键或公式为:--O--或--NH--的基团,R是取代或未取代的芳香杂环或芳基基团,R.sup.1是氢原子、三氟甲基基团、取代或未取代的较低烷基基团、取代或未取代的较低烯基基团、单-或双-较低烷基氨基基团、取代或未取代的较低烷基硫基基团、取代或未取代的较低烷氧基团、取代或未取代的较低炔基基团、芳香杂环基团、取代或未取代的脂肪族杂环基团或芳基基团,但当Z为单键时,R为取代或未取代的芳香杂环基团,或其药学上可接受的盐。该化合物具有内皮素拮抗活性,可用于预防或治疗由内皮素引起的各种疾病,并提供制备该化合物的方法。