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Title:
P2X3 INHIBITOR COMPOUND, SALT THEREOF, POLYMORPH THEREOF AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/185931
Kind Code:
A1
Abstract:
The present invention relates to a P2X3 inhibitor compound, a salt thereof, a polymorph thereof and use thereof. The present invention provides a crystalline form of a compound of formula I, which has good medicinal properties. A pharmaceutically acceptable salt of the compound of formula I is also obtained, and a crystalline form product of the salt is further obtained, such as a hydrochloride crystalline form A, a maleate crystalline form A, a p-toluenesulfonate crystalline form A, a benzenesulfonate crystalline form A, or a malonate crystalline form A. The present invention has great significance for developing effective therapeutic drugs.

Inventors:
ZHANG XUEJUN (CN)
ZANG YANG (CN)
LI QUN (CN)
LEI SIJUN (CN)
LIU LIFEI (CN)
LI YUAN (CN)
XIA QINGFENG (CN)
LI LI'E (CN)
YANG JUN (CN)
Application Number:
PCT/CN2023/084726
Publication Date:
October 05, 2023
Filing Date:
March 29, 2023
Export Citation:
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Assignee:
HUMANWELL HEALTHCARE GROUP CO LTD (CN)
WUHAN HUMANWELL INNOVATIVE DRUG RES AND DEVELOPMENT CENTER LIMITED COMPANY (CN)
International Classes:
C07D417/12; A61K31/427; A61K31/506; A61P13/00; A61P25/04; A61P29/00
Domestic Patent References:
WO2022068930A12022-04-07
WO2019219672A12019-11-21
WO2020260463A12020-12-30
WO2021245512A12021-12-09
Foreign References:
CN107207507A2017-09-26
Attorney, Agent or Firm:
BEIJING ORIGINTELLIGENCE IP LAW FIRM (CN)
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