申请人:Nippon Chemiphar Co., Ltd.
公开号:US05843992A1
公开(公告)日:1998-12-01
An epoxysuccinic acid derivative having the following formula: ##STR1## \x9bwherein R.sup.1 is hydrogen, alkyl, aryl, or aralkyl; each of R.sup.2 and R.sup.3 independently is aryl, aralkyl or alkyl; X is --O-- or --NR.sup.4 --; and R.sup.4 is hydrogen, alkyl, or aralkyl! is useful for prevention and treatment of bone diseases such as osteoporosis, malignant hypercalcemia and Paget's syndrome, and further useful for treatment of osteoarthritis and rheumatoid arthritis which are accompanied by abnormal enhancement of cathepsin L activity, and furthermore useful as a medicine for treating diseases in which cathepsin B and L participate, such as muscular dystrophy and muscular atrophy.
具有以下式子的环氧琥珀酸衍生物:##STR1## 其中,R1为氢、烷基、芳基或芳基烷基;R2和R3各自独立地为芳基、芳基烷基或烷基;X为--O--或--NR4--;R4为氢、烷基或芳基烷基!可用于预防和治疗骨疾病,如骨质疏松症、恶性高钙血症和帕吉特综合症,并且可用于治疗伴随有猫hepsin L活性异常增强的骨关节炎和类风湿性关节炎,此外还可用作治疗猫hepsin B和L参与的疾病的药物,如肌营养不良和肌萎缩症。