OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY AND PROCESS FOR PRODUCING -AMINO ACID AND DERIVATIVE THEREOF WITH THE SAME
申请人:NAGASE & COMPANY, LTD.
公开号:EP1870403A1
公开(公告)日:2007-12-26
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.
本发明提供了下式(I)的手性相转移催化剂:
化合物(I)可通过 2,2'-二亚甲基溴-1,1'-联苯衍生物与易得的仲胺反应制得,该衍生物可通过相对较少的步骤制得。