Preparation of new azobenzene crown ether p-tert-butylcalix[4]arenes and their roles as switchable ionophores for Na+ and K+ ions

被引：27

作者：

Pipoosananakaton, B

Sukwattanasinitt, M

Jaiboon, N

Chaichit, N

Tuntulani, T ^{[1
]}

机构：

[1] Chulalongkorn Univ, Fac Sci, Dept Chem, Bangkok 10330, Thailand

[2] Thammasat Univ Rangsit, Fac Sci, Dept Phys, Pathumthani 12121, Thailand

来源：

TETRAHEDRON LETTERS | 2000年 / 41卷 / 47期

关键词：

azobenzene; calixarene; isomerization; switchable ionophore;

D O I：

10.1016/S0040-4039(00)01550-1

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

New azobenzene crown ether p-tert-butylcalix[4] arenes (6 and 7) have been synthesized by reductive coupling reactions between two nitrobenzene groups. Their isomerization and switchable binding properties towards Na+ and K+ were studied by H-1 NMR spectroscopy. The results showed that Na+ preferred to bind the cis form of 6 while K+ preferred to bind the trans isomer. (C) 2000 Published by Elsevier Science Ltd.

引用

页码：9095 / 9100

页数：6

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