Novel pyrimidones of the formula I and salts thereof are gastric acid secretion inhibitors and some have other medical utility:
wherein R1 represents a hydrogen atom, a C1 to C10 alkyl group, a C1 to C5 alkenyl group, a C1 to C5 alkinyl group, a phenyl group, a cycloalkylmethyl group, an unsubstituted or R3 substituted aralkyl group, or the group -A-N wherein A R4 represents a C1 to C5 alkylene group and R3 and R4 are the same or different C1 to C5 alkyl groups or combine to form with the adjacent nitrogen atom a piperidine or pyrrolidine ring; R2 represents a hydrogen atom, a C1 to C5 alkyl group or a trifluoromethyl group; Y represents a heterocyclic group of the formula:
or
wherein R represents a hydrogen atom or a C1 to C5 alkyl group; B represents an oxygen atom or a sulfur atom; m represents zero or an integer of 1 to 3; and n represents an integer of 1 to 3. Methods and novel intermediates for their preparation are disclosed, as well as medicaments containing them and medical treatments using them.
式 I 的新型
嘧啶酮及其盐类是胃酸分泌
抑制剂,有些还具有其他医疗用途:
其中 R1 代表氢原子、C1 至 C10 烷基、C1 至 C5 烯基、C1 至 C5 烷基、苯基、环烷基甲基、未取代或 R3 取代的芳基,或基团 -A-N 其中 A R4 代表 C1 至 C5 亚烷基,R3 和 R4 是相同或不同的 C1 至 C5 烷基,或与相邻的氮原子结合形成
哌啶或
吡咯烷环;R2 代表氢原子、C1 至 C5 烷基或三
氟甲基; Y 代表式中的杂环基团:
或
其中R代表氢原子或C1至C5烷基;B代表氧原子或
硫原子;m代表零或1至3的整数;n代表1至3的整数。 本发明公开了用于制备它们的方法和新型中间体,以及含有它们的药物和使用它们的医疗方法。