Title:
HALF-HYDRATED CRYSTAL OF VOGLIBOSE, THE PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/092327
Kind Code:
A1
Abstract:
Provided are half-hydrated crystal of voglibose and the preparation thereof. Said
half-hydrated crystal has the molecular formula of C10H21NO7 0.5H2O
and the powder X-ray diffraction pattern with peaks of 2θ=9.64±0.2, 16.08±0.2,
18.34±0.2, 19.26±0.2, 21.92±0.2 and 22.42±0.2 degree.
Also provided are the process for preparing anhydrous voglibose from said half-hydrated
crystal of voglibose and the use of said half-hydrated crystal of voglibose in
the pharmaceutical preparation for curing diabetes.
Inventors:
LIU LIGANG (CN)
LI RUIWEN (CN)
LI RUIWEN (CN)
Application Number:
PCT/CN2007/003439
Publication Date:
August 07, 2008
Filing Date:
December 04, 2007
Export Citation:
Assignee:
SHENZHEN PHARMAXYN LABS CO LTD (CN)
LIU LIGANG (CN)
LI RUIWEN (CN)
LIU LIGANG (CN)
LI RUIWEN (CN)
International Classes:
C07C215/44; A61K31/133; A61P3/10; C07C213/10
Domestic Patent References:
| WO2005092834A1 | 2005-10-06 |
Foreign References:
| CN101007771A | 2007-08-01 | |||
| CN1796396A | 2006-07-05 |
Attorney, Agent or Firm:
LECOME INTELLECTUAL PROPERTY AGENT LTD. (Tower B INDO Mansion, No.48-Jia Zhichun Road, Haidian District, Beijing 8, CN)
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