- 专利标题: CRYSTALLIZATION OF 25-HYDROXY-7-DEHYDROCHOLSTEROL
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申请号: EP16802053.5申请日: 2016-11-28
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公开(公告)号: EP3383885A1公开(公告)日: 2018-10-10
- 发明人: SCHUETZ, Jan , WAECHTER, Ralph
- 申请人: DSM IP Assets B.V.
- 申请人地址: Het Overloon 1 6411 TE Heerlen NL
- 专利权人: DSM IP Assets B.V.
- 当前专利权人: DSM IP Assets B.V.
- 当前专利权人地址: Het Overloon 1 6411 TE Heerlen NL
- 代理机构: Dux, Roland
- 优先权: EP15197036 20151130
- 国际公布: WO2017093192 20170608
- 主分类号: C07J9/00
- IPC分类号: C07J9/00
摘要:
The present invention relates to a method of purification of compound of formula (I) which comprises the step of crystallization of compound of formula (I) from a composition comprising the compound of formula (I) and the compound of formula (II) and a specific solvent system containing ethanol, 1-propanol, 2-propanol, 2-methyl-1-propanol, 1-butanol or 2-butanol.
公开/授权文献
- EP3383885B1 CRYSTALLIZATION OF 25-HYDROXY-7-DEHYDROCHOLSTEROL 公开/授权日:2021-10-13
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