Compounds and methods for treating diseases mediated by a P2X
3
and/or a P2X
2/3
receptor antagonist, the compounds being of formula (I):
wherein R
1
, R
2
, R
3
and R
4
are as defined herein.
PROCESS FOR SYNTHESIS OF PHENOXY DIAMINOPYRIMIDINE DERIVATIVES
申请人:Dvorak Charles Alois
公开号:US20110269961A1
公开(公告)日:2011-11-03
A method for preparing a compound of formula k
or a salt or solvate thereof,
wherein R
1
is as defined herein,
the method comprising treating a compound of formula j
or a salt or solvate thereof,
with ammonia, to form the compound of formula k.