公开(公告)号：EP3418282A1

公开(公告)日：2018-12-26

申请号：EP17752706.6

申请日：2017-02-20

申请人： Chai Tai Tianqing Pharmaceutical Group Co., Ltd. ,  Medshine Discovery Inc.

发明人： LIU, Shilan ,  WANG, Dahai ,  LIANG, Guibai ,  HU, Guoping ,  LI, Jian ,  CHEN, Shuhui

IPC分类号： C07D487/14 ,  C07D495/14 ,  A61P37/06

CPC分类号： C07D487/14 ,  C07D495/14 ,  Y02A50/465

摘要： Provided are compounds of formula I and formula II or pharmaceutically acceptable salts of the compounds and pharmaceutical compositions thereof. The compounds of formula I and formula II or the pharmaceutically acceptable salts of the compounds provide indole 2,3-dioxygenase (IDO) inhibitory activity and are capable of treating IDO-mediated immunosuppressive diseases, such as infectious diseases or cancer.