A new fluorescent chemosensor for transition metal cations and on/off molecular switch controlled by pH

被引：79

作者：

Cao, YD ^{[1
]}

Zheng, QY ^{[1
]}

Chen, CF ^{[1
]}

Huang, ZT ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Biol Chem Lab, Beijing 100080, Peoples R China

来源：

TETRAHEDRON LETTERS | 2003年 / 44卷 / 25期

基金：

中国国家自然科学基金;

关键词：

calixarene; chemosensor; molecular switch;

D O I：

10.1016/S0040-4039(03)01074-8

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new fluorescent chemosensor with imidazole as ionophore was synthesized by the selective derivation of calixarene, which can effectively recognize Cu2+ and Zn2+, leading to different fluoroscopic behaviors in CH3OH-H2O. This system could be considered as a molecular switch. By modulating the pH of the solution, on-off-on fluorescent switching is carried out upon combinatory addition of acid, base and Cu2+. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：4751 / 4755

页数：5

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