• 专利标题: CRYSTALLIZATION OF 25-HYDROXY-7-DEHYDROCHOLSTEROL
  • 申请号: EP16802053.5
    申请日: 2016-11-28
  • 公开(公告)号: EP3383885A1
    公开(公告)日: 2018-10-10
  • 发明人: SCHUETZ, JanWAECHTER, 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
CRYSTALLIZATION OF 25-HYDROXY-7-DEHYDROCHOLSTEROL
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.
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