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Title:
CRYSTAL FORM OF BTK INHIBITOR, ACID SALT THEREOF, AND CRYSTAL FORM OF ACID SALT THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/174300
Kind Code:
A1
Abstract:
Disclosed in the present invention are a crystal form of a BTK inhibitor, an acid salt thereof, and a crystal form of the acid salt thereof. The crystal form of a compound of formula I in the present invention is a free alkali crystal form A of the compound of formula I, a free alkali crystal form C of the compound of formula I, a free alkali D of the compound of formula I, or a free alkali crystal form E of the compound of formula I. The crystal form of the BTK inhibitor, the acid salt thereof, and the crystal form of the acid salt thereof in the present invention have the advantages of low hygroscopicity and good stability, and have very important significance for drug development.

Inventors:
ZHAO JINZHU (CN)
CAO YUDONG (CN)
ZHOU FUSHENG (CN)
ZHU LINDONG (CN)
LIU XIANGCHAO (CN)
LAN JIONG (CN)
Application Number:
PCT/CN2023/081427
Publication Date:
September 21, 2023
Filing Date:
March 14, 2023
Export Citation:
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Assignee:
GENFLEET THERAPEUTICS SHANGHAI INC (CN)
ZHEJIANG GENFLEET THERAPEUTICS CO LTD (CN)
International Classes:
C07D471/14; A61K31/437; A61P29/00
Domestic Patent References:
WO2007002433A12007-01-04
WO2022063101A12022-03-31
Foreign References:
CN107001362A2017-08-01
Other References:
NA SONG, XU DANDAN, JIN YANFEN, ZHENG MEI, YANG JIANKE: "Research Progress in Ibrutinib Derivatives", CHINA PHARMACIST, vol. 22, no. 12, 5 December 2019 (2019-12-05), pages 2270 - 2274, XP093092343
Attorney, Agent or Firm:
SHANGHAI BESHINING LAW OFFICE (CN)
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