Fused ring system containing indole as M4 selective aza-anthracene muscarinic receptor antagonists
申请人:——
公开号:US20020068752A1
公开(公告)日:2002-06-06
Disclosed are compounds of the Formula I
1
and pharmaceutically acceptable salts, esters, amides, and prodrugs thereof, wherein
R
1
is hydrogen, lower alkyl, COOR
7
, (un)substituted aryl, (un)substituted heteroaryl, (un)substituted arylalkyl, or (un)substituted heteroarylalkyl;
R
3
is hydrogen or lower alkyl;
R
2
, R
4
, R
5
, and R
6
independently represent hydrogen, halogen, lower alkyl, lower alkoxy, hydroxy, cyano, nitro, amino, mono- or dialkylamino, carboxy, alkoxycarbonyl, carbamoyl, sulfamoyl, trifluoromethyl, or alkylthio;
R
7
is hydrogen or lower alkyl; and
R
8
is hydrogen or oxo.
Also provided is a method for selectively antagonizing the M
4
muscarinic receptor and a method for treating Parkinson's disease.
本发明涉及公式I1的化合物及其药学上可接受的盐、酯、酰胺和前药,其中R1为氢、低碳基、COOR7、(未)取代芳基、(未)取代杂环芳基、(未)取代芳基烷基或(未)取代杂环芳基烷基;R3为氢或低碳基;R2、R4、R5和R6分别表示氢、卤素、低碳基、低烷氧基、羟基、氰基、硝基、氨基、单烷基或双烷基氨基、羧基、烷氧基羰基、氨基甲酰基、磺酰基、三氟甲基或烷基硫代基;R7为氢或低碳基;R8为氢或氧代基。本发明还提供了一种选择性拮抗M4胆碱能受体的方法和一种治疗帕金森病的方法。