| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide methods of making compounds for treatment of diseases associated with P2X purinergic receptors. <P>SOLUTION: The method comprises treating a compound of the following formula j or a salt or solvate thereof, with ammonia, to form the compound of the following formula k. <P>COPYRIGHT: (C)2013,JPO&INPIT |
