The present invention relates to a compound that is useful for treatment of, for example, hypertension, arteriosclerosis, bulimia and obesity because of having an antagonistic action to a neuropeptide Y receptor and is represented by formula (I)
[wherein R1 represents hydrogen, cyano, or the like;
R represents a group represented by formula (II);
X1 represents C1-4 lower alkylene or the like; X2 represents lower alkylene or the like; and Het represents a 5-membered heteroaromatic ring that has at least one nitrogen atom and, in addition, one or two hetero atoms selected from the group consisting of nitrogen, sulfur and oxygen atoms]
or to a pharmaceutically acceptable salt thereof.
本发明涉及一种化合物,该化合物可用于治疗高血压、动脉硬化、贪食症和肥胖症等,因为它对神经肽 Y 受体具有拮抗作用,由式 (I) 表示
[其中 R1 代表氢、
氰基或类似物;
R 代表由式(II)表示的基团;
X1 代表 C1-4 低级亚烷基或类似物;X2 代表低级亚烷基或类似物;Het 代表 5 元杂芳环,该环至少有一个氮原子,此外还有一个或两个杂原子,这些杂原子选自氮、
硫和氧原子组成的组]。
或其药学上可接受的盐。