Title:
CRYSTAL FORM I OF CANAGLIFLOZIN AND PREPARATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2016/101432
Kind Code:
A1
Abstract:
Disclosed in the present invention is a crystal form I of Canagliflozin, and an X-ray powder diffraction spectrum of the crystal form I has characteristic diffraction peaks when 2θ is at the positions of 4.4 ± 0.2°, 8.4 ± 0.2°, 16.8 ± 0.2°, 17.5 ± 0.2°, 18.0 ± 0.2°, and 22.8 ± 0.2°. The crystal form is physically and chemically stable and is suitable for manufacturing of various preparations.
Inventors:
WANG FEI (CN)
ZHANG JIAN (CN)
LIN MENG (CN)
TANG YUANFU (CN)
CHEN HAO (CN)
LEI HUANGSHU (CN)
ZHANG JIAN (CN)
LIN MENG (CN)
TANG YUANFU (CN)
CHEN HAO (CN)
LEI HUANGSHU (CN)
Application Number:
PCT/CN2015/075180
Publication Date:
June 30, 2016
Filing Date:
March 27, 2015
Export Citation:
Assignee:
CHONGQING PHARMACEUTICAL IND RES INST CO LTD (CN)
International Classes:
C07D409/10; A61P3/10; A61P25/00; A61P27/02
Domestic Patent References:
| WO2014180872A1 | 2014-11-13 |
Foreign References:
| CN103980262A | 2014-08-13 | |||
| CN103554092A | 2014-02-05 | |||
| CN103588762A | 2014-02-19 | |||
| CN103936725A | 2014-07-23 | |||
| CN101573368A | 2009-11-04 | |||
| CN101801371A | 2010-08-11 | |||
| CN103641822A | 2014-03-19 | |||
| CN103896930A | 2014-07-02 |
Other References:
See also references of EP 3239149A4
Attorney, Agent or Firm:
BEIJING YIGE INTELLECTUAL PROPERTY AGENT LTD (GENERAL PARTNERSHIP) (CN)
北京一格知识产权代理事务所(普通合伙) (CN)
北京一格知识产权代理事务所(普通合伙) (CN)
Download PDF:
Previous Patent: POWER ADJUSTMENT METHOD AND APPARATUS
Next Patent: PASSIVE OPTICAL NETWORK SYSTEM, CONTROLLER AND COMMUNICATION METHOD
Next Patent: PASSIVE OPTICAL NETWORK SYSTEM, CONTROLLER AND COMMUNICATION METHOD