申请人:Takeda Chemical Industries, Ltd.
公开号:US05389633A1
公开(公告)日:1995-02-14
Novel compound represented by the formula: ##STR1## wherein R.sup.1 stands for H, an optionally substituted lower alkyl group or a halogen; R.sup.2 and R.sup.3 respectively stands for a hydrogen or an optionally substituted lower alkyl group, or R.sup.2 and R.sup.3 may, taken together with the adjacent --C.dbd.C-- group, form a 5- to 7-membered ring; X stands for O, SO or SO.sub.2 ; Y stands for a group of the formula: ##STR2## (R.sup.4 and R.sup.5 respectively stand for H or an optionally substituted lower alkyl group) or a divalent group derived from an optionally substituted 3- to 7-membered homocyclic or heterocyclic ring; R.sup.6 and R.sup.7 each stands for H, an optionally substituted lower alkyl group, an optionally substituted cycloalkyl group or an optionally substituted aryl group, or R.sup.6 and R.sup.7 may, taken together with the adjacent N, form an optionally substituted N-containing heterocyclic group; m stands for 0 to 4; n stands for 0 to 4, or a salt thereof, which has excellent anti-PAF activities anti-LTC.sub.4 activities and anti-ET-1 activities, and is of value as an antiasthmatic agent, and their production, intermediates and pharmasceutical compositions.
化合物的结构式如下:##STR1## 其中R.sup.1代表氢,可选取代的低碳基或卤素;R.sup.2和R.sup.3分别代表氢或可选取代的低碳基,或R.sup.2和R.sup.3可以与相邻的--C.dbd.C--基团结合形成一个5-至7-成员环;X代表O,SO或SO.sub.2;Y代表下式的基团:##STR2##(其中R.sup.4和R.sup.5分别代表氢或可选取代的低碳基),或者来自可选取代的3-至7-成员同环或异环的二价基团;R.sup.6和R.sup.7各代表氢,可选取代的低碳基,可选取代的环烷基或可选取代的芳基,或R.sup.6和R.sup.7可以与相邻的N结合形成一个可选取代的含氮杂环基团;m代表0至4;n代表0至4,或其盐,具有出色的抗PAF活性、抗LTC.sub.4活性和抗ET-1活性,是一种有价值的抗哮喘剂,以及它们的制备、中间体和药物组合物。