申请人:National Research Council of Canada
公开号:US05916887A1
公开(公告)日:1999-06-29
In accordance with the present invention, there are provided 4-substituted-3-(2-amino-2-cycloalkyl methyl)-acetamido azetidin-2-one derivatives of the formula: ##STR1## wherein n is 1, 2 or 3; in which R.sub.1, R.sub.2 and R.sub.3 are as defined herein, and salts thereof, which exhibit excellent cysteine proteinase inhibitory activity and which can be used for treatment of different diseases such as muscular dystrophy, myocardial infarction, bone resorption, arthritis, cancer metastasis, pulmonary emphysema, septic shock, cerebral ischemia, memory function, Alzheimer and cataract, malaria, glomerular basement membrane degradation, bacterial infection, inflammatory diseases, parasitic infections, and viral infections.
根据本发明,提供了公式为4-取代-3-(2-氨基-2-环烷基甲基)-乙酰胺基吖啶-2-酮衍生物,其中n为1、2或3;其中R1、R2和R3如本文所定义,以及其盐,具有出色的半胱氨酸蛋白酶抑制活性,可用于治疗不同疾病,如肌肉萎缩症、心肌梗死、骨吸收、关节炎、癌症转移、肺气肿、脓毒性休克、脑缺血、记忆功能、阿尔茨海默病、白内障、疟疾、肾小球基底膜降解、细菌感染、炎症性疾病、寄生虫感染和病毒感染。