环状季铵盐类化合物研究Ⅲ．DCAS的合成及相转移催化作用

Studies on cyclic quaternary ammonium salts Ⅲ.synthesis and phase transfer catalytic action of DCAS

设计并合成了新的环状季铵盐ＤＣＡＳ。选择苯酚与环氧氯丙烷，在无水碳酸钾存在下，固－液相转移催化醚化形成苯基缩水甘油醚为基本反应，比较了ＤＣＡＳ与其他几种季铵盐的相转移催化作用。结果表明，ＤＣＡＳ具有很好的相转移催化性能，与ＴＢＡＳ相当。

In this paper, the new cyclic quaternary ammonium salt DCAS was designed and synthesized.The phase transfer catalytic action of DCAS was studied through solid-liquid phase transfer catalysis etherification of phenol with epichlorohydrin in the presence of anhydrous potassium carbonate. The results show that the phase transfer catalytic action of DCAS is very strong.