Synthesis of Enantiomerically Pure (<i>R</i>,<i>R</i>)- and (<i>S</i>,<i>S</i>)-1,2-Bis(pentafluorophenyl)ethane-1,2-diamine and Evaluation of the p<i>K</i><sub>a</sub>Value by Ab Initio Calculations
作者:Takashi Sakai、Toshinobu Korenaga、Noriyuki Washio、Yuji Nishio、Shinichi Minami、Tadashi Ema
DOI:10.1246/bcsj.77.1001
日期:2004.5
1,2-Bis(pentafluorophenyl)ethane-1,2-diamine (1) was synthesized by the imino pinacol coupling of 4-methoxy-N-(pentafluorobenzylidene)benzylamine using a Zn–Cu couple and p-TsOH·H2O. The optical re...