申请人:Pfizer Limited
公开号:US20140171435A1
公开(公告)日:2014-06-19
The present invention relates to imidazopyridazine derivatives. More particularly, it relates to 4-(biphenyl-3-yl)-7H-imidazo[4,5-c]pyridazine derivatives of formula (I):
and pharmaceutically acceptable salts thereof, wherein R
1
, R
2
, R
3
, R
4
and R
5
are as defined in the description. The imidazopyridazine derivatives of the present invention modulate the activity of the GABA
A
receptor. They are useful in the treatment of a number of conditions, including pain.
本发明涉及咪唑吡啶并嗪衍生物。更具体地,涉及式(I)的4-(联苯基-3-基)-7H-咪唑并嗪衍生物及其药学上可接受的盐,其中R1、R2、R3、R4和R5如描述中所定义。本发明的咪唑吡啶并嗪衍生物调节GABA A 受体的活性。它们在治疗多种疾病,包括疼痛方面具有用处。