申请人:Tanabe Seiyaku Co., Ltd.
公开号:US05965730A1
公开(公告)日:1999-10-12
A pyridine derivative of the formula (I): ##STR1## wherein A is group of the following formulae: ##STR2## (R.sup.1 and R.sup.2 are each H, or protected or unprotected OH, R.sup.31, R.sup.41 and R.sup.42 are protected or unprotected hydroxymethyl, R.sup.32 is H, lower alkyl, or protected or unprotected hydroxymethyl, R.sup.33 is substituted or unsubstituted lower alkyl, and the dotted line means the presence or absence of a double bond), R.sup.5 and R.sup.6 are H, or protected or unprotected amino, or both combine together with the adjacent nitrogen to form substituted or unsubstituted heterocycle, or a pharmaceutically acceptable salt thereof, these compounds showing excellent bronchoconstriction inhibitory activity and/or anti-inflammatory activity of airway, and being useful in the prophylaxis or treatment of asthma.
化合物的化学式(I)的吡啶衍生物:其中A是以下化学式的基团:(R.sup.1和R.sup.2分别为H,或受保护或未受保护的OH,R.sup.31、R.sup.41和R.sup.42为受保护或未受保护的羟甲基,R.sup.32为H,较低的烷基,或受保护或未受保护的羟甲基,R.sup.33为取代或未取代的较低烷基,虚线表示双键的存在或不存在),R.sup.5和R.sup.6为H,或受保护或未受保护的氨基,或两者结合在一起与相邻的氮形成取代或未取代的杂环,或其药学上可接受的盐,这些化合物表现出出色的支气管收缩抑制活性和/或气道抗炎活性,并且在哮喘的预防或治疗中有用。