申请人:HAMARI YAKUHIN KOGYO KABUSHIKI KAISHA
also known as HAMARI CHEMICALS, LTD.
公开号:EP0356152A1
公开(公告)日:1990-02-28
Novel quaternary ammonium compounds of the formula,
[wherein R₁ and R₂, each independently represents a hydrogen atom, a C₁ to C₈ alkyl or alkenyl group, C₃ to C₈ cycloalkyl or cycloalkenyl, aralkyl or aryl group; or R₁ and R₂ join with each other in combination with the adjacent N and carbon atoms or further with at least one of nitrogen, oxygen and sulfur atoms to represent a 3- to 8-membered heterocyclic ring group: R₃, R₄ and R₅, each independently represents a C₁ to C₈ alkyl or alkenyl group, C₃ to C₈ cycloalkyl or cycloalkenyl, aralkyl or aryl group; or either two of R₃, R₄ and R₅ combine with each other in combination with the adjacent N and carbon atoms or further with at least one of nitrogen, oxygen and sulfur atoms to represent a 3- or 8-membered heterocyclic ring group, with the remaining being the same as defined above; or R₃, R₄ and R₅ combine with one another in combination with the adjacent N to represent a nitrogen-containing bicyclo ring or nitrogen-containing aromatic ring group: n is an integer of 1 to 8; and X⁻ represents an anion] and their pharmaceutically acceptable salts are useful in the treatment of ulcers in mammals.
式中的新型季铵盐化合物、
[其中 R₁ 和 R₂ 各自独立地代表氢原子、C₁ 至 C₈ 烷基或烯基、C₃ 至 C₈ 环烷基或环烯基、芳基或芳基;或 R₁ 和 R₂ 与相邻的 N 原子和碳原子结合,或进一步与氮、氧和硫原子中的至少一个结合,代表 3 至 8 元杂环基团:R₃、R₄ 和 R₅,各自独立地代表 C₁ 至 C₈ 烷基或烯基、C₃ 至 C₈ 环烷基或环烯基、芳基或芳基;或 R₃、R₄ 和 R₅ 中的任两个相互结合,与相邻的 N 原子和碳原子结合,或进一步与氮、氧和硫原子中的至少一个结合,代表 3 元或 8 元杂环基团,其余与上述定义相同;或 R₃、R₄ 和 R₅ 与相邻的 N 相互结合代表含氮双环或含氮芳环基团:n 是 1 至 8 的整数;X- 代表阴离子]及其药学上可接受的盐类可用于治疗哺乳动物的溃疡。