Acyclic halogen and hydrogen bonding diquat-containing receptors for the electrochemical sensing of anions

被引：24
|
作者：
Mullaney, Benjamin R. [1 ]
Cunningham, Matthew J. [2 ]
Davis, Jason J. [2 ]
Beer, Paul D. [1 ]
机构：
[1] Univ Oxford, Dept Chem, Chem Res Lab, Mansfield Rd, Oxford OX1 3TA, England
[2] Phys & Theoret Chem Lab, South Parks Rd, Oxford OX1 3QZ, England
来源：
POLYHEDRON | 2016年 / 116卷
基金：
欧洲研究理事会;
关键词：
Diquat; Anion recognition; Sensing; Electrochemistry; Host-guest; COLORIMETRIC CHEMOSENSORS; IMIDAZOLIUM RECEPTORS; CHEMISTRY HIGHLIGHTS; DONOR GROUPS; RECOGNITION; TRIAZOLE; FLUORESCENT; CHLORIDE; BINDING; WATER;
D O I：
10.1016/j.poly.2016.03.006
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The first examples of halogen and hydrogen bonding anion receptors containing the redox-active dicationic diquat motif and their anion recognition and electrochemical sensing properties are described. The acyclic receptors demonstrated strong binding affinities for halide anions in competitive solvents, with the most potent anion binding behaviour observed for the halogen bonding analogue. The redox-active diquat group is shown to be an effective electrochemical sensing probe, undergoing significant cathodic perturbations of the diquat(2+)idiquat(+)-redox couple upon the addition of halides. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：20 / 25
页数：6
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