发明授权
- 专利标题： Crystal of bicalutamide and production method thereof
- 专利标题（中）： 比卡鲁胺水晶及其制备方法
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申请号： US10740140申请日： 2003-12-18
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公开(公告)号： US07132560B2公开(公告)日： 2006-11-07
- 发明人: Tetsuya Shintaku , Tadashi Katsura , Nobushige Itaya
- 申请人： Tetsuya Shintaku , Tadashi Katsura , Nobushige Itaya
- 申请人地址： JP Osaka
- 专利权人： Sumitomo Chemical Company, Limited
- 当前专利权人： Sumitomo Chemical Company, Limited
- 当前专利权人地址： JP Osaka
- 代理机构： Leydig, Voit & Mayer, Ltd.
- 优先权： JP2001-380686 20011213; JP2002-166213 20020606
- 主分类号： C07C255/00
- IPC分类号： C07C255/00
摘要：
The present invention relates to a crystal of bicalutamide having a defined form, as well as economical and industrially practical production methods of bicalutamide and a crystal thereof, which are superior in environmental benignity and safety.Accordingly, the present invention provides a production method of bicalutamide represented by the formula (I): which includes at least a step of reacting a compound represented by the formula (3): with an oxidizing agent, a production method of a crystal of bicalutamide, as well as a crystal form of bicalutamide as defined by X-ray diffraction (XRD) or solid 13C NMR measurement.
公开/授权文献
- US20040133031A1 Crystal of bicalutamide and production method thereof 公开/授权日：2004-07-08
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