Novel 6-substituted amino-4-oxa-1-azabicyclo\x9b3,2,0!heptan-7-one compounds, as well as the pharmaceutically acceptable salts thereof and diastereoisomers thereof, of formula I, ##STR1## are disclosed, which exhibit excellent cysteine protease inhibitory activity and may be used for treatment of different diseases such as muscular dystrophy, arthritis, myocardial infarction, Alzheimer's disease, bacterial infection, common cold, osteroporosis and cancer metastasis.
本发明揭示了一种式为I的化合物,其中Novel 6-取代
氨基-4-氧杂-1-
氮杂双环[3,2,0]
庚烷-7-酮,以及其药学上可接受的盐和对映异构体,其表现出优异的半胱
氨酸
蛋白酶抑制活性,并可用于治疗不同疾病,如肌肉萎缩症、关节炎、心肌梗死、阿尔茨海默病、细菌感染、普通感冒、骨质疏松和癌症转移。