Title:
CRYSTAL FORM OF SUBSTITUTED OXOPYRIDINE DERIVATIVE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/174399
Kind Code:
A1
Abstract:
The present invention relates to a crystal form of a substituted oxopyridine derivative and to a preparation method therefor. The invention provides a crystal form A of a compound shown in formula (I), as well as a preparation method therefor and a use thereof. The crystal form A of the formula (I) compound provided by the present invention has at least one of the advantages of: solubility, melting point, stability, degree of dissolution, hygroscopicity, adhesiveness, fluidity, bioavailability, processability, purification effect, preparation production, safety, etc.; a new better choice is provided for preparing a pharmaceutical preparation containing the formula (I) compound, with very important significance for drug development.
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Inventors:
LU XIA (CN)
CHEN ZHIXIONG (CN)
ZHANG XIAOYU (CN)
CHEN ZHIXIONG (CN)
ZHANG XIAOYU (CN)
Application Number:
PCT/CN2023/082138
Publication Date:
September 21, 2023
Filing Date:
March 17, 2023
Export Citation:
Assignee:
CRYSTAL PHARMATECH CO LTD (CN)
International Classes:
C07D401/10; A61K31/4412; A61K31/4439; A61P7/02; A61P9/00
Domestic Patent References:
| WO2022189279A1 | 2022-09-15 | |||
| WO2022189280A1 | 2022-09-15 | |||
| WO2022189278A1 | 2022-09-15 | |||
| WO2021242970A1 | 2021-12-02 |
Foreign References:
| CN108026072A | 2018-05-11 | |||
| CN111770917A | 2020-10-13 | |||
| CN113166099A | 2021-07-23 |
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