申请人:Chambers Laura Jane
公开号:US20100311749A1
公开(公告)日:2010-12-09
The invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof:
wherein:
A is C
1-6
alkyl, C
3-6
cycloalkyl, —CH
2
—R
6
, —CHMe-R
7
, —CMe
2
-R
7
, or optionally substituted aryl; wherein, when A is optionally substituted aryl, said aryl group is optionally substituted with 1 to 3 substituents, which may be the same or different, selected from the group consisting of halogen, C
1-6
alkyl, —CF
3
, C
1-4
alkoxy, C
1
fluoroalkoxy, cyano, NR
8
R
9
, and pyridyl wherein the pyridyl is optionally substituted by one methyl;
R
1
is chlorine, fluorine, —CF
3
, cyano or C
1-6
alkyl;
R
2
, R
3
and R
5
independently are hydrogen, fluorine, chlorine, —CF
3
, cyano or C
1-6
alkyl, such that at least one of R
2
, R
3
and R
5
is other than hydrogen;
R
4
is hydrogen.
These compounds and salts are thought to be P2X7 receptor antagonists. The invention also provides for the treatment of pain, inflammation, rheumatoid arthritis, osteoarthritis, or a neurodegenerative disease.
本发明提供了式(I)的化合物或其药学上可接受的盐:其中:A是C1-6烷基,C3-6环烷基,-CH2-R6,-CHMe-R7,-CMe2-R7或可选地取代的芳基;其中,当A是可选地取代的芳基时,所述芳基基团可选地被1至3个取代基取代,所述取代基可以是相同的或不同的,选自卤素,C1-6烷基,-CF3,C1-4烷氧基,C1氟烷氧基,氰基,NR8R9和吡啶基,其中所述吡啶基可选择地被一个甲基取代;R1是氯,氟,-CF3,氰基或C1-6烷基;R2,R3和R5独立地是氢,氟,氯,-CF3,氰基或C1-6烷基,以至少其中一个R2,R3和R5不是氢;R4是氢。这些化合物和盐被认为是P2X7受体拮抗剂。本发明还提供了治疗疼痛,炎症,类风湿性关节炎,骨关节炎或神经退行性疾病的方法。