Described herein are pyrazolo[1,5-a]pyridine-3-carboxylic acid derivatives represented by the following formula (I):
wherein R₁ and R₂ individually mean a hydrogen atom or a lower alkyl group, R₃ denotes an azabicyclo group containing a tertiary nitrogen atom, and Y stands for -O- or -NH-, or salts thereof. Their preparation process and serotonin receptor antagonists containing them as active ingredients are also described.
这里描述的是由下式 (I) 代表的
吡唑并[1,5-a]吡啶-3-羧酸衍
生物:
其中 R₁ 和 R₂ 分别表示氢原子或低级烷基,R₃ 表示含有三级氮原子的氮杂环基团,Y 表示 -O- 或 -NH-,或其盐类。此外,还介绍了它们的制备工艺和含有它们作为活性成分的
血清素受体拮抗剂。