Invention Grant
- Patent Title: Cocrystal of C-glycoside derivative and L-proline
- Patent Title (中): C-糖苷衍生物和L-脯氨酸的晶体
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Application No.: US12296056Application Date: 2007-04-04
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Publication No.: US08097592B2Publication Date: 2012-01-17
- Inventor: Masakazu Imamura , Keita Nakanishi , Ryota Shiraki , Kenichi Onda , Daisuke Sasuga , Masamichi Yuda
- Applicant: Masakazu Imamura , Keita Nakanishi , Ryota Shiraki , Kenichi Onda , Daisuke Sasuga , Masamichi Yuda
- Applicant Address: JP Tokyo JP Nagano
- Assignee: Astellas Pharma Inc.,Kotobuki Pharmaceutical Co. Ltd.
- Current Assignee: Astellas Pharma Inc.,Kotobuki Pharmaceutical Co. Ltd.
- Current Assignee Address: JP Tokyo JP Nagano
- Agency: Sughrue Mion, PLLC
- Priority: JP2006-103711 20060405
- International Application: PCT/JP2007/057597 WO 20070404
- International Announcement: WO2007/114475 WO 20071011
- Main IPC: A61K31/70
- IPC: A61K31/70 ; C07H1/00
Abstract:
A cocrystal of (1S)-1,5-anhydro-1-[3-(1-benzothien-2-ylmethyl)-4-fluorophenyl]-D-glucitol and L-proline. It is a cocrystal of known compound A, which has a constant quality, is superior in storage stability, has no moisture absorptivity, and is suitable as a crystal of a drug substance used for preparing pharmaceuticals.
Public/Granted literature
- US20090143316A1 COCRYSTAL OF C-GLYCOSIDE DERIVATIVE AND L-PROLINE Public/Granted day:2009-06-04
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