发明名称 |
Optically active quaternary ammonium salt having axial asymmetry and process for producingα-amino acid and derivative thereof with the same |
摘要 |
The present invention provides a compound of the following formula (I) below. This compound (I) can be produced by reacting a 2,2′-dimethylene bromide-1,1′-binaphthyl derivative, which can be produced by a relatively small number of processes, with an easily available secondary amine. This compound (I) is useful as a chiral phase-transfer catalyst. |
申请公布号 |
US8697910(B2) |
申请公布日期 |
2014.04.15 |
申请号 |
US20070626228 |
申请日期 |
2007.01.23 |
申请人 |
MARUOKA KEIJI;NAGASE & CO., LTD |
发明人 |
MARUOKA KEIJI |
分类号 |
C07C227/16;C07C227/10;C07C229/34;C07C229/36;C07C249/02;C07C251/24;C07D223/14;C07D405/14;C07D409/14;C07D471/10;C07D487/10;C07D498/10 |
主分类号 |
C07C227/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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