Chromogenic and fluorogenic sensing of Cu2+ based on coumarin

被引：147

作者：

Helal, Aasif ^{[1
]}

Rashid, Mohammad Harun Or ^{[2
]}

Choi, Cheol-Ho ^{[2
]}

Kim, Hong-Seok ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Dept Appl Chem, Taegu 702701, South Korea

[2] Kyungpook Natl Univ, Dept Chem, Taegu 702701, South Korea

来源：

TETRAHEDRON | 2011年 / 67卷 / 15期

关键词：

Fluorescence sensor; Chromogenic sensing; Copper ion; Thiazole; Coumarin; SELECTIVE FLUORESCENT CHEMOSENSOR; TRANSITION-METAL IONS; LASER-DYE STABILITY; MOLECULAR SENSORS; DIVALENT COPPER; POTASSIUM-IONS; BICYCLIC DYES; LIVING CELLS; CU(II); DERIVATIVES;

D O I：

10.1016/j.tet.2011.01.093

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new highly selective, reversible, chromogenic, and fluorogenic chemosensor (4) based on thiazole coumarin moieties for quantification of copper ions in aqueous-DMSO was designed and synthesized. The mechanism of fluorescence was based on ICT, which was modified by the introduction of an electron-donating diethylamino group making it chromogenic and increasing the binding affinity. The selectivity toward copper ions was not affected by the presence of representative alkali metals, alkali earth metals, or other transition metals. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2794 / 2802

页数：9

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