The present invention provides a compound represented by the formula (I): (INSERT CHEMICAL FORMULA) (wherein R1 is a lower alkyl substituted by a lower alkoxy or a heterocyclic group, or a heterocyclic group; R2 is a lower alkyl optionally substituted by a phenyl; and R3 is a lower alkyl optionally substituted by a halogen, a lower alkoxy or a phenyl, or a fused polycyclic hydrocarbon group), which is well absorbed orally, exhibits durability of good blood level and has potent calpain inhibitory activity.
本发明提供了一种化合物,其
化学式表示为(I):(插入
化学式)(其中R1是由低烷基取代的低烷氧基或杂环基,或者是杂环基;R2是可选择地由苯基取代的低烷基;R3是可选择地由卤素、低烷氧基或苯基取代的低烷基,或者是融合的多环碳氢基),该化合物在口服后被很好地吸收,表现出良好的血液
水平持久性,并具有强大的
钙蛋白酶抑制活性。