Bifunctional fluorescent thiacalix[4]arene based chemosensor for Cu2+ and F- ions

被引：81

作者：

Bhalla, Vandana ^{[1
]}

Kumar, Rajesh ^{[1
]}

Kumar, Manoj ^{[1
]}

Dhir, Abhimanew ^{[1
]}

机构：

[1] Guru Nanak Dev Univ, Dept Chem, Amritsar 143005, Punjab, India

来源：

TETRAHEDRON | 2007年 / 63卷 / 45期

关键词：

thaicalix[4]arene; ratiometric sensing; fluorescent Cu2+ sensor;

D O I：

10.1016/j.tet.2007.08.021

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new thiacalix[4]arene based fluorescent sensor bearing two dansyl groups has been synthesized in cone conformation. In CH3CN:CH2Cl2(1:1), the presence of Cu (II) induces the formation of a 1:1 metal: ligand complex, which exhibits increasing emission at 433 nm at the expense of the fluorescent emission of 1 centered at 504 nm. The detection limit of the sensor for Cu2+ is 2 x 10(-7) mol L-1. For anion sensing, 1 shows a high selectivity for fluoride ions over other anions tested. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：11153 / 11159

页数：7

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