申请人:Pfizer Limited
公开号:US08952008B2
公开(公告)日:2015-02-10
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 R1, R2, R3, R4 and R5 are as defined in the description. The imidazopyridazine derivatives of the present invention modulate the activity of the GABAA receptor. They are useful in the treatment of a number of conditions, including pain.
本发明涉及咪唑吡啶衍生物。更具体地,涉及式(I)中的4-(联苯基-3-基)-7H-咪唑[4,5-c]吡啶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。本发明的咪唑吡啶衍生物调节GABAA受体的活性。它们在治疗多种疾病,包括疼痛方面具有用途。