Selective and colorimetric fluoride chemosensors containing phenol hydroxyl and 1,3,4-oxadiazole groups

被引：22

作者：

Ma, Jiantao ^{[1
]}

Li, Zhe ^{[1
]}

Zong, Yanqing ^{[1
]}

Men, Yi ^{[1
]}

Xing, Guowen ^{[1
]}

机构：

[1] Beijing Normal Univ, Beijing Key Lab Energy Convers & Storage Mat, Coll Chem, Beijing 100875, Peoples R China

来源：

TETRAHEDRON LETTERS | 2013年 / 54卷 / 11期

关键词：

Sensor; F-; Oxadiazole; Hydrogen bond; Fluorescence; FLUORESCENT SENSORS; PROTON-TRANSFER; NAKED-EYE; COMPLEX; ANIONS; DEPROTONATION; MOIETIES; PROBE;

D O I：

10.1016/j.tetlet.2012.12.128

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Two novel anion sensors, methyl 4-(5(5-chloro-2-hydroxypheny1)-1,3,4-oxadiazol-2-y1) benzoate (L1) and methyl 4-(5-(2-hydroxypheny1)-1,3,4-oxadiazol-2-y1) benzoate (12) were reported. Their spectro-scopic and colorimetric properties in CH2Cl2/CH3CN (1:2, v/v) solution for F- sensing were investigated by naked-eye, UV-vis, and fluorescence measurements. Both molecules with coplanar structure possess adjacent phenolic hydroxyl and 1,3,4-oxadiazole units, resulting in a sufficiently strong intramolecular hydrogen bond to hinder the association of most anions, but not F-, with phenolic hydroxyl hydrogen. They displayed the same color changes from colorless to yellow but different optical shifts upon addition of F-. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：1348 / 1351

页数：4

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