申请人:Takeda Chemical Industries, Ltd.
公开号:US05716971A1
公开(公告)日:1998-02-10
Pyridine derivatives of the formula ##STR1## wherein the ring A stands for an optionally further substituted benzene ring; the ring B stands for an optionally substituted pyridine ring; Q stands for hydroxyl group, or OQ.sup.1 or Q.sup.1 wherein Q.sup.1 stands for an optionally substituted aliphatic hydrocarbon group; and n denotes 0 or 1, or their salts, which have potassium.channel opening activity and are useful as therapeutic agents of circulatory diseases such as angina pectoris, hypertension, etc.
式中的吡啶衍生物##STR1##其中环A代表一个可进一步取代的苯环;环B代表一个可取代的吡啶环;Q代表羟基,或OQ.sup.1或Q.sup.1,其中Q.sup.1代表一个可取代的脂肪烃基团;n表示0或1,或它们的盐,具有钾通道开放活性,并且可用作治疗剂,用于循环系统疾病,如心绞痛、高血压等。