申请人:Dillon Michael Patrick
公开号:US20080132494A1
公开(公告)日:2008-06-05
Compounds of the formula I:
or a pharmaceutically acceptable salt thereof, wherein, R
1
is a group of formula A or formula B,
and X, R
2
, R
3
, R
4
, R
5
, R
6
, R
a
and R
b
are as defined herein. Also provided are methods of using the compounds for treating diseases mediated by a P2X
3
and/or a P2X
2/3
receptor antagonist and methods of making the subject compounds.
公式I的化合物或其药学上可接受的盐,其中R1是公式A或公式B的基团,X、R2、R3、R4、R5、R6、Ra和Rb的定义如本文所述。还提供了使用这些化合物治疗由P2X3和/或P2X2/3受体拮抗剂介导的疾病的方法以及制备这些化合物的方法。