Guest inclusion properties of a novel cage molecule composed of two calix[4]arenes

被引:25
作者
Araki, K [1 ]
Hayashida, H [1 ]
机构
[1] Kyushu Inst Technol, Dept Appl Chem, Fac Engn, Tobata Ku, Kitakyushu, Fukuoka 8048550, Japan
关键词
D O I
10.1016/S0040-4039(99)02232-7
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The biscalix[4]arene was synthesized by connecting the upper rims with two spacers. The inclusion ability and the selectivity for various quaternary ammonium ions were enhanced due to the cooperative action of the cation-pi interaction in the two bowl-shaped calix[4]arenes. The very slow dynamic process during complexation and decomplexation and the separation of the cationic guest and the counter anion were caused by encapsulation of the biscalix[4]arene. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1209 / 1213
页数:5
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