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.
IMIDAZOPYRIDAZINE DERIVATIVES AS GABAA RECEPTOR MODULATORS
申请人:Pfizer Limited
公开号:EP2938615B1
公开(公告)日:2016-10-26
US8952008B2
申请人:——
公开号:US8952008B2
公开(公告)日:2015-02-10
[EN] IMIDAZOPYRIDAZINE DERIVATIVES AS GABAA RECEPTOR MODULATORS<br/>[FR] DÉRIVÉS D'IMIDAZOPYRIDAZINE EN TANT QUE MODULATEURS D'UN RÉCEPTEUR GABAA
申请人:PFIZER LTD
公开号:WO2014091368A1
公开(公告)日:2014-06-19
Chemical Compounds 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, R 2, 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.