Highly effective electrochemical anion sensing based on oxoporphyrinogen

被引：25

作者：

Schumacher, Amy Lea ^{[2
]}

Hill, Jonathan P. ^{[1
]}

Ariga, Katsuhiko ^{[1
]}

D'Souza, Francis ^{[2
]}

机构：

[1] Natl Inst Mat Sci, Adv Mat Lab, Supermol Grp, Tsukuba, Ibaraki 3050044, Japan

[2] Wichita State Univ, Dept Chem, Wichita, KS 67260 USA

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2007年 / 9卷 / 12期

基金：

美国国家科学基金会;

关键词：

electrochemical anion sensing; porphyrinogen; cathodic shift; recognition;

D O I：

10.1016/j.elecom.2007.09.010

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The effect of anion binding on the oxidation potential of an anion receptor, N-21,N-23-dibenzyl-5,10,15,20-(3,5-di-t-butyl-4-oxo-cyclohexa-2,5-dienylidene)porphyrinogen, 1 in o-dichlorobenzene is reported. The anion binding site of 1, at its inner pyrrolic amine hydrogens, is an integral part of the highly conjugated macrocycle, thus predicting larger potential shifts upon anion binding. Accordingly, cathodic shifts up to 600 mV are observed upon anion binding and such potential shifts correlate well with the anion binding constants. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：2751 / 2754

页数：4

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