Title:
CRYSTAL FORM OF ANTI-INFLUENZA VIRUS COMPOUND, PREPARATION METHOD FOR CRYSTAL FORM, AND USE OF CRYSTAL FORM
Document Type and Number:
WIPO Patent Application WO/2022/156737
Kind Code:
A1
Abstract:
Disclosed are a crystal form of a compound (1S, 2S)-2-fluoro-N-(2-(2-(4-((R)-(5-methyl-2H-tetrazol-2-yl) (phenyl) methyl) piperidine-1-formyl) pyridin-4-yl) benzo [d] oxazol-5-yl) cyclopropyl-1-carboxamide having a structure of formula (A), a preparation method for the crystal form, and a use of the crystal form in the preparation of a drug for treating/preventing influenza.
Inventors:
LI YAO (CN)
ZHANG GUOBIAO (CN)
ZHANG XIAOBO (CN)
ZHANG GUOBIAO (CN)
ZHANG XIAOBO (CN)
Application Number:
PCT/CN2022/072933
Publication Date:
July 28, 2022
Filing Date:
January 20, 2022
Export Citation:
Assignee:
SICHUAN HAISCO PHARMACEUTICAL CO LTD (CN)
International Classes:
C07D263/57; A61K31/454; A61K31/4995; A61P31/16; C07D413/14
Domestic Patent References:
| WO2021032209A1 | 2021-02-25 | |||
| WO2018141854A1 | 2018-08-09 |
Foreign References:
| CN202110088776A | 2021-01-22 | |||
| CN2020110764W | 2020-08-24 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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