Invention Grant
US07345170B2 Crystal and solvate of 2-amino-6-benzyloxypurine and production methods thereof
有权
2-氨基-6-苄氧基嘌呤的结晶和溶剂合物及其制备方法
- Patent Title: Crystal and solvate of 2-amino-6-benzyloxypurine and production methods thereof
- Patent Title (中): 2-氨基-6-苄氧基嘌呤的结晶和溶剂合物及其制备方法
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Application No.: US10500451Application Date: 2003-04-03
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Publication No.: US07345170B2Publication Date: 2008-03-18
- Inventor: Taketo Hayashi , Takehiko Kawakami , Yoshihiko Iwanaga , Yosuke Watanabe
- Applicant: Taketo Hayashi , Takehiko Kawakami , Yoshihiko Iwanaga , Yosuke Watanabe
- Applicant Address: JP Osaka
- Assignee: Sumitomo Chemical Company, Limited
- Current Assignee: Sumitomo Chemical Company, Limited
- Current Assignee Address: JP Osaka
- Agency: Leydig, Voit & Mayer, Ltd.
- Priority: JP2002-105805 20020408
- International Application: PCT/JP03/04258 WO 20030403
- International Announcement: WO03/084957 WO 20031016
- Main IPC: C07D473/18
- IPC: C07D473/18
Abstract:
The present invention can provide a solvate, a cubic crystal and a columnar crystal of 2-amino-6-benzyloxypurine by crystallization from (1) a solvent containing at least one kind of solvent selected from the group consisting of alcohol and water, (2) alcohol or (3) a water-containing solvent.
Public/Granted literature
- US20050080098A1 Crystal and solvate of 2-amino-6-benzyloxypurine and production methods thereof Public/Granted day:2005-04-14
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