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Patent Searching and Data


Title:
CRYSTAL FORM XV OF LESINURAD AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/001325
Kind Code:
A1
Abstract:
The present invention relates to a new crystal form of lesinurad, a preparation method therefor, a pharmaceutical composition containing the crystal form, and use of the crystal form in the preparation of a uric acid transporter inhibitor and a pharmaceutical preparation for treating hyperuricemia. The new crystal form of lesinurad provided in the present invention has one or more improved properties with respect to those in the prior art, having great value in the optimization and development of this medicament in the future.

Inventors:
CHEN MINHUA (CN)
ZHANG YANFENG (CN)
WANG JINQIU (CN)
HUANG CHUNXIANG (CN)
ZHANG XIAOYU (CN)
YANG CHAOHUI (CN)
Application Number:
PCT/CN2018/092075
Publication Date:
January 03, 2019
Filing Date:
June 21, 2018
Export Citation:
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Assignee:
CRYSTAL PHARMACEUTICAL SUZHOU CO LTD (CN)
International Classes:
C07D249/12; A61K31/4196; A61P19/06
Foreign References:
CN106883190A2017-06-23
CN106866559A2017-06-20
CN106831620A2017-06-13
CN103298796A2013-09-11
CN104557748A2015-04-29
CN103588716A2014-02-19
CN104447589A2015-03-25
CN104447590A2015-03-25
CN103755651A2014-04-30
CN101817793A2010-09-01
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