The invention relates to a 3-quinuclidine derivative having the formula I
wherein X is O or S, and R represents one to five substituents independently selected from hydrogen, hydroxy, lower alkyl, lower alkoxy, lower aralkyloxy, lower alkanoyloxy, halogen, NO₂, CF₃, CN, NR₁R₂, and COR₃, in which R₁ and R₂ are independently selected from hydrogen, lower alkyl, and lower alkanoyl, and R₃ is selected from OH, lower alkyl, lower alkoxy, and NR₄R₅, wherein R₄ and R₅ are independently hydrogen or lower alkyl; or pharmaceutically acceptable salts thereof.
本发明涉及一种 3-
奎宁环衍
生物,其式为 I
其中 X 是 O 或 S,R 代表一至五个取代基,独立选自
氢、羟基、低级烷基、低级烷
氧基、低级芳
氧基、低级烷酰
氧基、卤素、NO₂、CF₃、CN、NR₁R₂ 和 COR₃、其中 R₁ 和 R₂ 独立选自
氢、低级烷基和低级烷酰基,R₃ 选自 OH、低级烷基、低级烷
氧基和 NR₄R₅,其中 R₄ 和 R₅ 独立为
氢或低级烷基;或其药学上可接受的盐。