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Patent Searching and Data


Title:
CRYSTALLINE FORM OF LEUCOGEN AND METHOD FOR PREPARATION THEREOF AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/124408
Kind Code:
A1
Abstract:
The present invention relates to the field of compound crystal forms, and particularly provides a leucogen crystalline form A, crystalline form B, a method for preparation of the crystalline form B, a pharmaceutical composition, and an application. The crystalline form A and the crystalline form B provided by the present invention have the advantages of good stability, high solubility in water, and good bioavailability.

Inventors:
WU XIUGEN (CN)
LI ZHAOGUANG (CN)
LI HAIDAO (CN)
NIE LIYUN (CN)
LIU YUNFENG (CN)
CAO XU (CN)
WEI FURONG (CN)
Application Number:
PCT/CN2022/125692
Publication Date:
July 06, 2023
Filing Date:
October 17, 2022
Export Citation:
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Assignee:
JIANGSU JIBEIER PHARMACEUTICAL CO LTD (CN)
International Classes:
C07D277/06; A61K31/426; A61P7/00; A61P7/06
Foreign References:
CN103102324A2013-05-15
CN1810791A2006-08-02
CN1872844A2006-12-06
CN1629128A2005-06-22
Other References:
GANG CHU, LIN HUI,LIU CAI-LIAN,WANG ZHENG-ZE : "Improvement of the Technological Method for the Synthesis of Leucogen", PHARMACEUTICAL AND CLINICAL RESEARCH, 25 August 2012 (2012-08-25), pages 317 - 318, XP093075234, DOI: 10.13664/j.cnki.pcr.2012.04.001
ZHAO LING, YANG BO: "Optimization of Synthetic Process of Leucogen)", 武汉轻工大学学报 (", JOURNAL OF WUHAN POLYTECHNIC UNIVERSITY, vol. 37, no. 4, 1 August 2018 (2018-08-01), pages 104 - 107, XP093075245
Attorney, Agent or Firm:
LINDA LIU & PARTNERS (CN)
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