发明申请
US20100041922A1 METHOD FOR THE ENANTIOSELECTIVE PRODUCTION OF OPTICALLY ACTIVE 4-HYDROXY-2,6,6-TRIMETHYL-CYCLOHEX-2-ENONE DERIVATIVES
审中-公开
光学活性4-羟基-2,6,6-三甲基环己酮-2-酮衍生物的选择性生产方法
- 专利标题: METHOD FOR THE ENANTIOSELECTIVE PRODUCTION OF OPTICALLY ACTIVE 4-HYDROXY-2,6,6-TRIMETHYL-CYCLOHEX-2-ENONE DERIVATIVES
- 专利标题(中): 光学活性4-羟基-2,6,6-三甲基环己酮-2-酮衍生物的选择性生产方法
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申请号: US12593466申请日: 2008-02-22
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公开(公告)号: US20100041922A1公开(公告)日: 2010-02-18
- 发明人: Rainer Stürmer , Hansgeorg Ernst
- 申请人: Rainer Stürmer , Hansgeorg Ernst
- 申请人地址: DE Ludqigshafen
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE Ludqigshafen
- 优先权: EP07105089.2 20070328
- 国际申请: PCT/EP2008/052202 WO 20080222
- 主分类号: C07C45/61
- IPC分类号: C07C45/61
摘要:
The present invention relates to a process for enantioselectively preparing optically active 4-hydroxy-2,6,6-trimethylcyclohex-2-en-1-one derivatives of the formulae (I) or (Ia) and to a process for preparing (3S,3′S)-astaxanthin of the formula (III), comprising the process for preparing the compound of the formula (I).
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