Pyrimidones, processes for their preparation and pharmaceutical compositions containing them
申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0003677A2
公开(公告)日:1979-08-22
Pyrimidones which are histamine H2-antagonists have the structure
in which D is hydrogen or an aminoalkyl group, X is oxygen or sulphur, Y is oxygen, sulphur or methylene, n is 2 or 3, Z is hydrogen or lower alkyl, A is Ci-C5 alkylene in which one methylene group can be replaced by oxygen or sulphur, and B is hydrogen, methyl, C3-C6 cycloalkyl, or an aryl or heteroaryl group.