PHOTOREGULATED-METAL BINDING WITH AN AZOBENZENE-CAPPED CALIX[4]ARENE

被引：12
|
作者：
HAMADA, F
MASUDA, T
KONDO, Y
机构：
[1] Department of Material Engineering and Applied Chemistry, Mining College, Akita University
来源：
SUPRAMOLECULAR CHEMISTRY | 1995年 / 5卷 / 02期
关键词：
D O I：
10.1080/10610279508029484
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The photoresponsive calix[4]arene(1), which is modified with an azobenzene moiety on the lower rim of the calix, has been prepared. Photoisomerization of 1 was performed with photoirradiation by a 500W-Xe lamp using a Corning 7-37 filter. The liquid-liquid extraction of various ions by 1 in the form of both cis and trans isomers using picrate counter ion has been studied. Calixarene 1 shows a higher binding ability to the metal cations examined in the trans form than for cis isomer and exhibits over twice the binding ability, except for Cu2+ and Al3+, compared to the non-modified calix[4]arene (2), which has same structure on the upper rim of the calix.
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收藏
页码：129 / 131
页数：3
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