发明名称 |
OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY AND PROCESS FOR PRODUCING ALPHA-AMINO ACID AND DERIVATIVE THEREOF WITH THE SAME |
摘要 |
<p>The present invention provides a chiral phase-transfer catalyst of the following formula (I):
The compound (I) can be produced by reacting a 2,2'-dimethylene bromide-1,1'-biphenyl derivative, which can be produced through comparatively small number of steps, with an easily available secondary amine.</p> |
申请公布号 |
EP1870403(A1) |
申请公布日期 |
2007.12.26 |
申请号 |
EP20060730739 |
申请日期 |
2006.03.24 |
申请人 |
NAGASE & COMPANY, LTD. |
发明人 |
MARUOKA, KEIJI;NISHIMOTO, YUKIFUMI;YAMAMOTO, KENICHIRO |
分类号 |
C07B61/00;C07D223/18;B01J31/02;C07B53/00;C07C227/04;C07C227/32;C07C229/36;C07C249/02;C07C251/24;C07D487/10;C07D498/10;C07D513/10 |
主分类号 |
C07B61/00 |
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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