申请人:Takeda Chemical Industries, Ltd.
公开号:EP0273647A1
公开(公告)日:1988-07-06
A compound of the formula
wherein R is a lower alkyl group, R0 is hydrogen or an acyl group, R1 and R2 are lower alkyl groups which may optionally be substituted or wherein R1 and R2 are combined to form a butadienylene group which may optionally be substituted, R3 and R4 are hydrogen or alkyl groups which may 'optionally be substituted or wherein R3 and R4 are combined to form a polymethylene group, and R5 is a lower alkyl, aromatic or heterocyclic group which may optionally be substituted or a pharmaceutically acceptable salt thereof, exerts cardiovascular system improving action and antiallergic action and can be used as pharmaceutics, e.g. antithromotics, antiallergic agents etc.
式中 R 为低级烷基,R0 为氢或酰基,R1 和 R2 为可选择被取代的低级烷基,或其中 R1 和 R2 结合形成可选择被取代的丁二烯基,R3 和 R4 为氢或可'选择被取代的烷基,或其中 R3 和 R4 结合形成聚亚甲基,R5 为可选择被取代的低级烷基、芳香族或杂环基,或其药学上可接受的盐的化合物,具有改善心血管系统和抗过敏作用,可用作药物,如抗肿瘤药、抗过敏药等。