发明申请
US20120316361A1 METHOD OF RESOLUTION OF (RS)- 1,1'-BI-2-NAPHTHOL FOR OBTAINING ENANTIOMERIC PURE I.E. (S)-(-)-1,1'-BI-2-NAPHTHOL AND/OR (R)-(+)-1,1'-BI-2-NAPHTHOL VIA CO-CRYSTAL FORMATION WITH OPTICALLY ACTIVE DERIVATIVES OF y -AMINO ACIDS
失效
(RS)-1,1'-BI-2-NTHTHOL用于获得纯度的方法I.E. (S) - ( - ) - 1,1'-BI-2-NAPHTHOL和/或(R) - (+) - 1,1'-BI-2-萘基,通过与Y的光学活性衍生物的CO晶体形成 -氨基酸
- 专利标题: METHOD OF RESOLUTION OF (RS)- 1,1'-BI-2-NAPHTHOL FOR OBTAINING ENANTIOMERIC PURE I.E. (S)-(-)-1,1'-BI-2-NAPHTHOL AND/OR (R)-(+)-1,1'-BI-2-NAPHTHOL VIA CO-CRYSTAL FORMATION WITH OPTICALLY ACTIVE DERIVATIVES OF y -AMINO ACIDS
- 专利标题(中): (RS)-1,1'-BI-2-NTHTHOL用于获得纯度的方法I.E. (S) - ( - ) - 1,1'-BI-2-NAPHTHOL和/或(R) - (+) - 1,1'-BI-2-萘基,通过与Y的光学活性衍生物的CO晶体形成 -氨基酸
-
申请号: US13522141申请日: 2010-03-10
-
公开(公告)号: US20120316361A1公开(公告)日: 2012-12-13
- 发明人: Bhairab Nath Roy , Girij Pal Singh , Piyushi Suresh Lathi , Rangan Mitra
- 申请人: Bhairab Nath Roy , Girij Pal Singh , Piyushi Suresh Lathi , Rangan Mitra
- 申请人地址: IN Mumbai
- 专利权人: Lupin Limited
- 当前专利权人: Lupin Limited
- 当前专利权人地址: IN Mumbai
- 优先权: IN37/KOL/2010 20100115
- 国际申请: PCT/IN2010/000141 WO 20100310
- 主分类号: C07B57/00
- IPC分类号: C07B57/00 ; C07C37/84 ; C07C229/14
摘要:
Novel method for synthesis of optically pure (S)-(−)-1,1′-bi-2-naphthol and/or (R)-(+)-1,1′-bi-2-naphthol via resolution of racemic (RS)-1,1′-bi-2-naphthol through formation of co-crystal with optically active derivatives of γ-amino acids.
信息查询