申请人:NOVO NORDISK A/S
公开号:EP0316718A2
公开(公告)日:1989-05-24
Novel azacyclic compounds selected from the group consisting of
wherein
R¹ is H or C₁₋₆-alkyl
wherein R′ is C₃₋₈-alkyl, cyclopropyl, C₄₋₈-cycloalkyl, benzyl which may be substituted, or C₁₋₄-alkoxy-C₁₋₄-alkyl, and
R˝ is H or C₁₋₈-alkyl or C₁₋₆-alkoxy or C₁₋₄-alkoxy-C₁₋₄-alkyl or aryl, and
R‴ is H or C₁₋₆-alkyl or C₄₋₈-cycloalkyl; and
R⁴ is H, C₁₋₈-alkyl or Cl; and
provided that R³ is not
wherein R′ is C₃₋₈-alkyl, cyclopropyl or C₁₋₃-alkoxymethyl, and provided that R³ is not -CH=N-OR‴, wherein R‴ is H or C₁₋₆-alkyl, when the compounds of formula I is
and a salt thereof with a pharmaceutically-acceptable acid.
The new compounds are useful in improving the cognitive functions of the forebrain and hippocampus of mammals, and are useful in the treatment of Alzheimer's disease.
选自以下组别的新型氮杂环化合物
其中
R¹ 是 H 或 C₁₋₆ 烷基
其中 R′是 C₃₋₈-烷基、环丙基、C₄₋₈-环烷基、可能被取代的苄基或 C₁₋₄-alkoxy-C₁₋₄- 烷基,以及
R˝ 是 H 或 C₁₋₈- 烷基或 C₁₋₆- 烷氧基或 C₁₋₄- 烷氧基-C₁₋₄-烷基或芳基,以及
R‴ 是 H 或 C₁₋₆-烷基或 C₄₋₈-环烷基;和
R⁴ 是 H、C₁₋₈-烷基或 Cl;以及
只要 R³ 不是
其中 R′是 C₃₋₈-烷基、环丙基或 C₁₋₃-烷氧基甲基,并且只要 R³ 不是 -CH=N-OR‴,其中 R‴ 是 H 或 C₁₋₆- 烷基,则式 I 的化合物是
及其与药学上可接受的酸的盐。
新化合物有助于改善哺乳动物前脑和海马的认知功能,并可用于治疗阿尔茨海默氏症。