发明申请
- 专利标题: CRYSTAL OF THIENOPYRIMIDINE DERIVATIVE
- 专利标题(中): 三苯甲基衍生物的晶体
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申请号: US13700935申请日: 2011-05-31
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公开(公告)号: US20130123279A1公开(公告)日: 2013-05-16
- 发明人: Hiroyuki Hayashi , Takayoshi Nakagawa , Koichi Miyazaki
- 申请人: Hiroyuki Hayashi , Takayoshi Nakagawa , Koichi Miyazaki
- 申请人地址: JP Tokyo
- 专利权人: ASKA PHARMACEUTICAL CO., LTD.
- 当前专利权人: ASKA PHARMACEUTICAL CO., LTD.
- 当前专利权人地址: JP Tokyo
- 优先权: JP2010-125362 20100531
- 国际申请: PCT/JP2011/062513 WO 20110531
- 主分类号: A61K31/519
- IPC分类号: A61K31/519 ; C07D495/04
摘要:
Crystals are obtained by heating an aqueous suspension of 2-(3,4-dichlorobenzyl)-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid. Novel crystals are obtained by adjusting the heating temperature and/or duration.
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