The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfon-amide Nav1.7 inhibitors of formula (I): or a pharmaceutically acceptable salt thereof, wherein X, Ar
1
, R
1
, R
2
, R
3
, R
4
and R
5
are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
本发明涉及磺
酰胺衍
生物,其在医药上的使用,包含它们的组成,其制备过程以及用于这些过程的
中间体。更具体地,本发明涉及一种新的磺
酰胺Nav1.7
抑制剂,其
化学式为(I):或其药学上可接受的盐,其中X,Ar1,R1,R2,R3,R4和R5如描述中所定义。Nav 1.7
抑制剂在治疗各种疾病,特别是疼痛方面有潜在的用途。