申请人:Taiho Pharmaceuticals Co., Ltd.
公开号:US06110967A1
公开(公告)日:2000-08-29
The invention relates an epoxysuccinamide derivative represented by a formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, an alkyl or aminoalkyl group, R.sup.2 represents an aminoalkyl group which May be substituted, an aryl group which may be substituted, a heterocyclic group which may be substituted, an aralkyl group which may be substituted, or an alkyl group substituted by a heterocyclic ring which may be substituted, or R.sup.1 and R.sup.2 may form a nitrogen-containing heterocyclic ring, which may be substituted, together with the adjacent nitrogen atoms, and R.sup.3 and R.sup.4 are the same or different from each other and independently represent a hydrogen atom, or an alkyl or aralkyl group, or a salt thereof, a preparation process thereof, and a medicine comprising such a derivative or salt as an active ingredient. This compound has a specific inhibitory activity for cathepsin L and family enzymes thereof, and is useful as an agent for preventing and treating metabolic osteopathy such as osteoporosis and hypercalcemia.
该发明涉及一种由以下式(I)表示的环氧琥珀酰胺衍生物:##STR1##其中R.sup.1代表氢原子、烷基或氨基烷基基团,R.sup.2代表可能被取代的氨基烷基基团、可能被取代的芳基、可能被取代的杂环基、可能被取代的芳基烷基基团,或者可能被取代的杂环环取代的烷基基团,或者R.sup.1和R.sup.2可以形成含氮杂环环,该环可能被取代,与相邻的氮原子一起,R.sup.3和R.sup.4彼此相同或不同且独立地表示氢原子,或者烷基或芳基烷基基团,或其盐,其制备方法以及包含该衍生物或盐作为活性成分的药物。该化合物具有对半胱氨酸蛋白酶L及其家族酶的特异性抑制活性,并且可用作预防和治疗代谢性骨病如骨质疏松症和高钙血症的药物。