[EN] 5,6,7,8-TETRAHYDROIMIDAZO[1,2-A]PYRAZINE DERIVATIVES AS P2X7 MODULATORS<br/>[FR] DÉRIVÉS DE 5,6,7,8-TÉTRAHYDROIMIDAZO[1,2-A]PYRAZINE COMME MODULATEURS DE P2X7
申请人:GLAXO GROUP LTD
公开号:WO2010125101A1
公开(公告)日:2010-11-04
The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof: wherein A is hydrogen, C1-4alkyl, C3-6cycloalkyl, C1-3alkoxy, C1-3alkoxy C1-4alkyl, C1-2fluoroalkyl, halogen, NR6R7 optionally substituted heteroaryl (Het), or optionally substituted phenyl, and R1, R2, R3, R4, R5, R6 and R7 are as defined in the description. The compounds or salts are thought to modulate P2X7 receptor function and to be capable of antagonizing the effects of ATP at the P2X7 receptor. The invention also provides the use of the compound or salt in the treatment or prophylaxis of, for example, inflammatory pain, neuropathic pain, visceral pain, rheumatoid arthritis or osteoarthritis or neurodegenerative disorders.
本发明提供了一种具有以下式(I)的化合物或其药学上可接受的盐:其中A为氢、C1-4烷基、C3-6环烷基、C1-3烷氧基、C1-3烷氧基C1-4烷基、C1-2氟代烷基、卤素、NR6R7可选择地取代的杂芳基(Het)或可选择地取代的苯基,R1、R2、R3、R4、R5、R6和R7如描述中所定义。认为这些化合物或盐能够调节P2X7受体功能,并能够拮抗P2X7受体上ATP的作用。本发明还提供了该化合物或盐在治疗或预防炎症性疼痛、神经病性疼痛、内脏疼痛、类风湿性关节炎或骨关节炎或神经退行性疾病等疾病中的用途。