A pillar[5]arene-based side-chain pseudorotaxanes and polypseudorotaxanes as novel fluorescent sensors for the selective detection of halogen ions

被引：33

作者：

Sun, Shu ^{[1
,2
]}

Shi, Jian-Bing ^{[1
]}

Dong, Yu-Ping ^{[1
]}

Lin, Chen ^{[2
]}

Hu, Xiao-Yu ^{[2
]}

Wang, Le-Yong ^{[2
]}

机构：

[1] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China

[2] Nanjing Univ, Sch Chem & Chem Engn, Ctr Multimol Chem, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2013年 / 24卷 / 11期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Pillar[5]arene; Polypseudorotaxanes; Fluorescent sensor; Halogen ions detection; INCLUSION COMPLEXES; BETA-CYCLODEXTRIN; BINDING; RECOGNITION; DNA;

D O I：

10.1016/j.cclet.2013.07.014

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A pseudorotaxane and its polypseudorotaxanes formed between pillar[5]arene moieties and noctylpyrazinium cations as novel fluorescent sensors for the selective detection of halogen ions were reported. A collapse of these pillar[5]arene-based pseudorotaxanes and polypseudorotaxanes occurred upon the addition of Cl-, Br-, and I- (tetrabutylammonium salts), respectively, leading to their fluorescence recovery. The fluorescence enhancement of the pseudorotaxane and the polypseudorotaxanes increases in the order of I- < Br- < Cl-, and the differences in fluorescence intensity could be easily distinguished by naked eyes under UV light illumination. (C) 2013 Xiao-Yu Hu and Le-Yong Wang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

引用

页码：987 / 992

页数：6

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