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Legal status
Patent not validated
| (51) | INT.CL. | C07D 217/26 | (2006.01) |
| C07D 217/26 | (2013.01) | ||
| C07D 265/02 | (2006.01) | ||
| C07D 265/02 | (2013.01) | ||
| C07C 69/92 | (2006.01) | ||
| C07C 51/09 | (2013.01) | ||
| C07C 65/40 | (2006.01) | ||
| C07C 67/31 | (2013.01) | ||
| C07C 67/313 | (2013.01) | ||
| C07C 67/347 | (2013.01) |
| (11) | Number of the document | 3712130 |
| (13) | Kind of document | T |
| (96) | European patent application number | 18889120.4 |
| Date of filing the European patent application | 2018-12-14 | |
| (97) | Date of publication of the European application | 2020-09-23 |
| (45) | Date of publication and mention of the grant of the patent | 2022-08-03 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2018/121082 |
| Date | 2018-12-14 |
| (87) | Number | WO 2019/114811 |
| Date | 2019-06-20 |
| (30) | Number | Date | Country code |
| 201711370273 | 2017-12-14 | CN | |
| 201810519660 | 2018-05-22 | CN |
| (72) |
XU, Yongxiang , CN
|
| (73) |
Nanjing Cavendish Bio-Engineering
Technology Co., Ltd. ,
Jiangsu Life Sciences & Technology Park
Innovation Park, Building 28,
No. 9 Weidi Road
Xianlin University City, Nanjing, Jiangsu 210033,
CN
Xu, Yongxiang , Jiangsu Life Sciences & Technology Innovation Park Building 28 No.9 Weidi Road, Xianlin University City, Nanjing, Jiangsu 210033, CN |
| (54) | METHOD FOR SYNTHESIS OF ROXADUSTAT AND INTERMEDIATE COMPOUNDS THEREOF |
| METHOD FOR SYNTHESIS OF ROXADUSTAT AND INTERMEDIATE COMPOUNDS THEREOF |