Pyrimidinone compounds of the formula:
are described, wherein R1 is selected from various optionally substituted phenyl and heterocyclic groups; X is methylene or in certain instances oxygen; Y is sulphur or methylene; Z is hydrogen or C1-6alkyl; A is an optionally interrupted alkylene chain and R2 is an N-substituted pyridone.
Processes for their preparation are described, as is their use as histamine H2-antagonists. Novel intermediates are described.
N-Substituted pyridinones having histamine H.sub.2 -antagonist activity
申请人:Smith Kline & French Laboratories Limited
公开号:US04540699A1
公开(公告)日:1985-09-10
This invention relates to N-substituted pyridinone compounds which have histamine H.sub.2 -antagonist activity. A specific compound of this invention is 2-[2-(5-methyl-4-imidazolylmethylthio)ethylamino]-5-(1-methyl-2-oxopyridin -4-ylmethyl)pyrimidin-4-one.