A novel ketone derivative (I) which possesses a potent inhibitory activity against thiol protease such as papain, cathepsin B, cathepsin H, cathepsin L, calpain or the like with excellent properties regarding oral absorbance, tissue transference and cell membrane permeability, and are clinically useful in the treatment of various diseases such as muscular dystrophy, amyotrophy. Also provided are a process for producing the compound (I) and a pharmaceutical composition containing the same.
一种新型酮衍
生物(I),具有对半胱
氨酸
蛋白酶(如
木瓜蛋白酶、卡
特普辛B、卡
特普辛H、卡
特普辛L、
钙蛋白酶等)具有强效的抑制活性,具有优异的口服吸收性、组织转移性和细胞膜渗透性,临床上可用于治疗各种疾病,如肌肉萎缩症、肌萎缩等。同时提供了一种生产化合物(I)的方法和含有该化合物的药物组合物。