| 摘要 |
A process for making substituted 2-aminopyrimidones which are histamine H2-antagonists which comprises reacting a 2-nitroaminopyrimidone with a heteroarylalkylamine, heteroarylalkylthioalkylamine, or heteroarylalkoxyalkylamine. One particular compound which can be made by this process is 2-[2-(5-methyl-4-imidazolylmethylthio)ethylamino]-5-[5-(1,3-benzodioxy olyl)methyl]-4-pyrimidone. Also claimed are 2-nitroaminopyrimidone intermediates for use in this process. One specific intermediate is 2-nitroamino-5-[5-(1,3-benzodioxyolyl)methyl]-4-pyrimidone.
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