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US6110967A Epoxysuccinamide derivative or salt thereof 失效
环氧琥珀酰胺衍生物或其盐

Epoxysuccinamide derivative or salt thereof
摘要:
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.
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