公开(公告)号：US20230271970A1

公开(公告)日：2023-08-31

申请号：US18018012

申请日：2021-07-22

申请人： SICHUAN UNIVERSITY ,  ACADEMY OF MILITARY MEDICAL SCIENCES

发明人： Yong Qin ,  Wu Zhong ,  Fei Xue ,  Minjie Zhang ,  Shiyong Fan ,  Zhibing Zheng ,  Song Li

IPC分类号： C07D487/04

CPC分类号： C07D487/04

摘要： The present invention relates to the technical field of chemical drug synthesis, and specifically relates to a method for preparing a compound as shown in formula I, comprising: treating the compound as shown in formula VII with an acid to generate the compound as shown in formula I. The method has few synthetic process steps, raw materials which is stable and is easy to prepare, a reaction process which is easy to control, and a high overall yield and purity, and is suitable for industrial preparation.

公开(公告)号：US20230219990A1

公开(公告)日：2023-07-13

申请号：US18016172

申请日：2021-07-15

申请人： SICHUAN UNIVERSITY ,  ACADEMY OF MILITARY MEDICAL SCIENCES ,  CHENGDU AUPONE PHARMACEUTICAL CO., LTD

发明人： Yong Qin ,  Wu Zhong ,  Fei Xue ,  Xiaoyu Liu ,  Yu Wang ,  Xiaohan Zhou ,  Bo Liu ,  Ke Wang ,  Likai Yang ,  Ruijie Zhou ,  Yaxin Xiao ,  Fanglin Xue ,  Minjie Zhang ,  Hao Song ,  Zhibing Zheng ,  Song Li

IPC分类号： C07H1/00 ,  C07F7/10

CPC分类号： C07H1/00 ,  C07F7/10

摘要： Disclosed is a method for preparing a C-nucleoside compound represented by Formula (III) or salt thereof. The present method has a high reaction yield, is simple to operate, uses a single metal reagent, has stable reaction temperature conditions, does not require frequent changes to the reaction system during the operation process, is suitable for scale-up synthesis, is suitable for large-scale production of Remdesivir, and has low costs.