申请人:Tanabe Seiyaku Co., Ltd.
公开号:US05969140A1
公开(公告)日:1999-10-19
Naphthalene derivatives of the formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are each H, protected or unprotected OH, one of R.sup.3 and R.sup.4 is protected or unprotected hydroxymethyl, and the other is H, lower alkyl, or protected or unprotected hydroxymethyl, R.sup.5 and R.sup.6 are the same or different and are each H, substituted or unsubstituted lower alkyl, substituted or unsubstituted phenyl or protected or unprotected NH.sub.2, or both combine together with the adjacent N to form substituted or unsubstituted heterocyclic group, and pharmaceutically acceptable salts thereof, these compounds showing excellent bronchoconstriction inhibitory activity, and hence, being useful in the prophylaxis or treatment of asthma.
萘衍生物的化学式[I]:其中R.sup.1和R.sup.2相同或不同,分别为H、保护或未保护的OH,R.sup.3和R.sup.4中的一个为保护或未保护的羟甲基,另一个为H、低碳烷基,或保护或未保护的羟甲基,R.sup.5和R.sup.6相同或不同,分别为H、取代或未取代的低碳烷基、取代或未取代的苯基或保护或未保护的NH.sub.2,或者两者与相邻的N结合形成取代或未取代的杂环基,以及其药学上可接受的盐,这些化合物表现出优异的支气管收缩抑制活性,因此在哮喘的预防或治疗中具有用处。