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Patent Searching and Data


Title:
AHU377 CRYSTAL FORMS, AND PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/177781
Kind Code:
A1
Abstract:
The present invention relates to AHU377 crystal forms, and a preparation method therefor and the use thereof. Provided are AHU377 crystal forms III and IV, and the crystal forms III and IV have a good stability, a low hygroscopicity, a high impurity removal capacity, and a good purifying effect, and have a very high economic value.

Inventors:
CHEN MINHUA (CN)
ZHANG YANFENG (CN)
YANG CHAOHUI (CN)
LU FEI (CN)
ZHANG LIANG (CN)
ZHANG XIAOYU (CN)
Application Number:
PCT/CN2017/076451
Publication Date:
October 19, 2017
Filing Date:
March 13, 2017
Export Citation:
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Assignee:
CRYSTAL PHARMATECH CO LTD (CN)
International Classes:
C07C233/47; A61K31/216; A61K31/41; A61P9/00; A61P9/04; A61P13/12; C07C231/24
Domestic Patent References:
WO2016049663A12016-03-31
Foreign References:
CN105753733A2016-07-13
CN105367438A2016-03-02
US5217996A1993-06-08
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