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.
化合物的化学式为(I):## STR1 ## 其中A是以下公式的一种:## STR2 ##(其中R1和R2分别为H,或保护或未保护的OH,R31,R41和R42为保护或未保护的羟甲基,R32为H,低级烷基,或保护或未保护的羟甲基,R33为取代或未取代的低级烷基,虚线表示双键的存在或不存在),R5和R6为H,或保护或未保护的氨基,或与相邻的氮结合形成取代或未取代的杂环,或其药学上可接受的盐。这些化合物表现出卓越的支气管收缩抑制活性和/或气道抗炎活性,并可用于哮喘的预防或治疗。