Title:
NOVEL CRYSTAL FORMS OF RELUGOLIX AND PREPARATION METHODS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/166121
Kind Code:
A1
Abstract:
Novel crystal forms of Relugolix and preparation methods therefor. Specifically, three novel crystal forms APTI-I, APTI-II and APTI-III of Relugolix and preparation methods therefor are provided. The crystal forms APTI-II and APTI-III have good impurity removal effects. The three crystal forms are easy to prepare, simple and convenient to operate, and all suitable for industrial mass production.
Inventors:
ZHANG FUCHANG (CN)
GUO WANCHENG (CN)
DUAN YONGLI (CN)
DUAN XIONGPENG (CN)
WANG GUOPING (CN)
GUO WANCHENG (CN)
DUAN YONGLI (CN)
DUAN XIONGPENG (CN)
WANG GUOPING (CN)
Application Number:
PCT/CN2021/107493
Publication Date:
August 11, 2022
Filing Date:
July 21, 2021
Export Citation:
Assignee:
AURISCO PHARMACEUTICAL CO LTD (CN)
International Classes:
C07D495/04; A61K31/519; A61P15/00; A61P35/00
Domestic Patent References:
| WO2021069711A1 | 2021-04-15 | |||
| WO2021026011A1 | 2021-02-11 | |||
| WO2021031148A1 | 2021-02-25 | |||
| WO2021027937A1 | 2021-02-18 | |||
| WO2021069700A1 | 2021-04-15 | |||
| WO2020230094A1 | 2020-11-19 | |||
| WO2019178304A1 | 2019-09-19 |
Foreign References:
| CN104703992A | 2015-06-10 |
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