化学学报 ›› 1979, Vol. 37 ›› Issue (2): 157-159. 上一篇    

研究简报

N-(对-取代苯基)氨基乙酸的离解常数

陈荣悌, 鲜于玉琼   

  1. 南开大学化学系
  • 投稿日期:1978-03-14 发布日期:2013-06-03

THE DISSOCIATION CONSTANTS OF N-(PARASUBSTITUTED-PHENYL)GLYCINES

CHEN YUN-TI, XIANYU YU-QIONG   

  1. Department of Chemistry, Nankai University
  • Received:1978-03-14 Published:2013-06-03

前曾报导了氨基乙酸氮原子上的氢被不同烷基、环烷基和芳基等取代后的酸碱强度的改变情况[1,2].苯环取代后,由于氮原子上孤对电子和苯环π电子产生共轭效应,因而导致亚胺基的碱性大为降低.

The apparent dissociation constants of N-(pare-subsituted-phenyl) glycines have been determined by pH method at 25℃ in 30% (volnme) ethanol solution in the of 0.10M NaClO4.