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。
Chemical compounds
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.
[EN] IMIDAZOPYRIDAZINE DERIVATIVE, AND PREPARATION METHOD THEREFOR, PHARMACEUTICAL COMPOSITION THEREOF AND USE THEREOF<br/>[FR] DÉRIVÉ D'IMIDAZOPYRIDAZINE, SON PROCÉDÉ DE PRÉPARATION, COMPOSITION PHARMACEUTIQUE ASSOCIÉE ET SON UTILISATION<br/>[ZH] 咪唑并哒嗪类衍生物、其制备方法、药物组合物和用途