Title:
CRYSTAL FORMS OF HS378 AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/222006
Kind Code:
A1
Abstract:
The present invention relates to crystal forms A and B of a compound (HS378) of formula (I) and a preparation method therefor. The crystal forms A and B have a good physiochemical stability, a regular crystal habit, a good particle size uniformity, and a good fluidity; the preparation method for the crystal forms A and B is simple; moreover, a good impurity removal effect, easiness in filtration and a high yield are achieved, and samples with few impurities and a high purity can be obtained; and the purification problem of difficulties during impurity removal can be fully solved.
Inventors:
LI NA (CN)
SHI ZHENJUAN (CN)
CHEN LIANWEI (CN)
ZHAO MEIYU (CN)
YANG ZHIQING (CN)
WU ZHONGWEI (CN)
SHI ZHENJUAN (CN)
CHEN LIANWEI (CN)
ZHAO MEIYU (CN)
YANG ZHIQING (CN)
WU ZHONGWEI (CN)
Application Number:
PCT/CN2023/094661
Publication Date:
November 23, 2023
Filing Date:
May 17, 2023
Export Citation:
Assignee:
ZHEJIANG HISUN PHARM CO LTD (CN)
International Classes:
C07K5/062; A61K38/06; A61P31/14
Foreign References:
| CN114466838A | 2022-05-10 |
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