Hexahydropyrrolo[2,3-b]indole carbamates,-ureas,-amides and related compounds, a process for their preparation and their use as medicaments
申请人:HOECHST-ROUSSEL
PHARMACEUTICALS INCORPORATED
公开号:EP0440145A1
公开(公告)日:1991-08-07
The present invention relates to compounds of the formula I,
where
X is O, S, NH, N-loweralkyl, or N-arylloweralkyl;
Y is hydrogen, fluorine, chlorine, bromine, nitro, loweralkyl, loweralkoxy, or triloweralkylsilyl;
R₁ is loweralkyl, halogen-substituted loweralkyl, aryl, arylloweralkyl, cycloalkyl, heteroaryl or heteroarylloweralkyl;
R₂ is hydrogen, loweralkyl or arylloweralkyl;
R₃ is loweralkyl or arylloweralkyl;
R₄ is hydrogen, loweralkyl, loweralkenyl, loweralkynyl, arylloweralkyl, formyl, loweralkylcarbonyl, arylloweralkylcarbonyl or loweralkoxycarbonyl;
R₅ is hydrogen or loweralkyl; and
m is 0 or 1,
with the proviso that when m is 0, R₁ may also be hydrogen,
and a process for their preparation.
The compounds of the invention are useful for alleviating various memory dysfunctions characterized by a cholinergic deficit such as Alzheimer's disease.
本发明涉及式 I 的化合物、
其中
X 是 O、S、NH、N-低级烷基或 N-芳基低级烷基;
Y 是氢、氟、氯、溴、硝基、低级烷基、低级烷氧基或三低级烷基硅基;
R₁ 是低级烷基、卤素取代的低级烷基、芳基、芳低级烷基、环烷基、杂芳基或杂芳基低级烷基;
R₂ 是氢、低级烷基或芳基低级烷基;
R₃ 是低级烷基或芳基低级烷基;
R₄ 是氢、低级烷基、低级烯基、低级炔基、芳低级烷基、甲酰基、低级烷基羰基、芳低级烷基羰基或低级烷氧基羰基;
R₅ 是氢或低级烷基;以及
m 为 0 或 1、
但当 m 为 0 时,R₁ 也可以是氢、
及其制备工艺。
本发明的化合物可用于缓解以胆碱能不足为特征的各种记忆功能障碍,如阿尔茨海默病。