公开(公告)号：EP4397670A1

公开(公告)日：2024-07-10

申请号：EP22863467.1

申请日：2022-08-30

申请人： Guangzhou Ocusun Ophthalmic Biotechnology Co., Ltd. ,  Ocusun Ophthalmic Pharmaceutical (Guangzhou) Co., Ltd.

发明人： YU, Chuiliang ,  LI, Xiaolin ,  WANG, Yandong ,  LAN, Xiaobing ,  HAO, Fei ,  SU, Yingxue ,  HE, Haiying ,  WU, Meirong

IPC分类号： C07J9/00

CPC分类号： C07J9/00

摘要： A steroidal compound, a preparation method therefor and an application thereof. On one hand, provided are a compound represented by formula I, a preparation method therefor, and an application thereof in a method for separating and purifying lanosterol; on the other hand, provided is the method for separating and purifying lanosterol. The method is simple to operate, stable in process, high in productivity and low in cost, and the obtained lanosterol has high purity and can meet medical application thereof.

公开(公告)号：EP3828193A1

公开(公告)日：2021-06-02

申请号：EP19841413.8

申请日：2019-07-25

申请人： Guangzhou Ocusun Ophthalmic Biotechnology Co., Ltd.

发明人： LIU, Yizhi ,  WANG, Yandong ,  LI, Xiaolin ,  LUO, Zhi ,  HE, Haiying ,  LI, Jian ,  CHEN, Shuhui

IPC分类号： C07J9/00 ,  A61K9/08 ,  A61K31/573 ,  A61P27/12

摘要： The present invention relates to a crystal form of a compound of formula (I) and an application thereof in preparing a drug for treating an ophthalmic disease.