4-Thioquinazoline derivatives of formula (I) are provided.
wherein R¹ is a C₁-C₆ alkylamino group, a phenyl group, a substituted phenyl group or a 5- or 6-membered heterocyclic group containing one or two N, O or S as a hetero atom or atoms, said heterocyclic group optionally being substituted or fused with a benzene ring; n is 1 or 2; or R² is a hydrogen atom or a C₁-C₆ alkyl group, and pharmaceutically acceptable acid addition salts thereof. They are useful as antiulcer agents.
提供了式(I)的4-
硫代
喹唑啉衍
生物。
其中 R¹ 是 C₁-C₆烷基
氨基、苯基、取代的苯基或含有一个或两个 N、O 或 S 作为杂原子的 5 或 6 元杂环基团,所述杂环基团可选择被取代或与苯环融合;n 是 1 或 2;或 R² 是氢原子或 C₁-C₆ 烷基,及其药学上可接受的酸加成盐。它们可用作抗溃疡剂。