申请人:Ito Fumitaka
公开号:US20050153998A1
公开(公告)日:2005-07-14
This invention provides the compounds of formula (I):
or its a pharmaceutically acceptable ester or amide of such compound, or a pharmaceutically acceptable salt thereof, wherein X
1
is NH; R
1
, R
2
, R
4
through R
6
and R
7
through R
11
are all hydrogen; R
3
is hydroxy; X
2
and X
3
are methylene; X
4
is a bond; and X
5
is a carbon atom, and the like. These compounds have ORL1-receptor antagonist activity; and therefore, are useful to treat diseases or conditions such as pain, various CNS diseases etc.
该发明提供了式(I)的化合物:或其药物可接受的酯或酰胺,或其药物可接受的盐,其中X1为NH; R1、R2、R4至R6和R7至R11均为氢; R3为羟基; X2和X3为亚甲基; X4为键; X5为碳原子等。这些化合物具有ORL1受体拮抗活性; 因此,可用于治疗疼痛、各种中枢神经系统疾病等疾病或症状。