Title:
NEW CRYSTALLINE FORM OF OBETICHOLIC ACID AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/167233
Kind Code:
A1
Abstract:
The present invention relates to a new crystalline form of obeticholic acid and a preparation method therefor. In particular, the present invention relates to an E-type crystal of obeticholic acid and a preparation method therefor. The crystalline form is very stable, and solvent residue is low, and the crystalline form is suitable for industrial production.
Inventors:
ZHANG SHUNJI (CN)
WANG SHENG (CN)
ZHU CHANGZHEN (CN)
TIAN WEIWEI (CN)
WANG SHENG (CN)
ZHU CHANGZHEN (CN)
TIAN WEIWEI (CN)
Application Number:
PCT/CN2017/078821
Publication Date:
October 05, 2017
Filing Date:
March 30, 2017
Export Citation:
Assignee:
JIANGSU HENGRUI MEDICINE CO (CN)
International Classes:
C07J9/00; A61K31/575; A61P1/16
Domestic Patent References:
| WO2013192097A1 | 2013-12-27 | |||
| WO2017008773A1 | 2017-01-19 |
Foreign References:
| CN105175473A | 2015-12-23 | |||
| CN105175473A | 2015-12-23 | |||
| CN105801653A | 2016-07-27 | |||
| CN105777836A | 2016-07-20 | |||
| CN105859814A | 2016-08-17 | |||
| CN105985395A | 2016-10-05 | |||
| CN105085597A | 2015-11-25 |
Attorney, Agent or Firm:
GE CHENG & CO., LTD. (CN)
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