The present invention provides a compound of formula I;
or a pharmaceutically acceptable salt thereof, wherein R
1
, R
2
, R
3
, R
4
, R
5
, and A-B are as defined herein, which are non-immunosuppressive, cyclophilin-binding, mPTP blockers and are therefore useful for the prevention or treatment of diseases or disorders such as HCV infection, stroke, multiple sclerosis, HBV infection, HPV infection, asthma, cancer, muscular dystrophy, sepsis, ischemia/reperfusion injury, and heart failure.
本发明提供了式I的化合物;或其药学上可接受的盐,其中R1、R2、R3、R4、R5和A-B如本文中所定义,它们是非
免疫抑制剂、环孢蛋白结合剂、m
PTP阻断剂,因此可用于预防或治疗HCV感染、中风、多发性硬化症、HBV感染、HPV感染、哮喘、癌症、肌萎缩症、败血症、缺血/再灌注损伤和心力衰竭等疾病或疾患。