TETRAZOLE-SUBSTITUTED ARYLAMIDES AS P2X3 AND P2X2/3 ANTAGONISTS
申请人:Chen Li
公开号:US20120015944A1
公开(公告)日:2012-01-19
Compounds of the formula I:
or a pharmaceutically acceptable salt thereof, wherein, R
1
is optionally substituted tetrazolyl, R
2
is optionally substituted phenyl, optionally substituted pyridinyl or optionally substituted thienyl, and R
3
, R
4
, R
5
, R
6
R
7
and R
8
are as defined herein. Also provided are methods of using the compounds for treating diseases associated with the P2X
3
and/or a P2X
2/3
receptor antagonist and methods of making the compounds.