Water-Soluble Bis-triazolyl Benzochalcogendiazole Cycloadducts as Tunable Metal Ion Sensors

被引：37

作者：

Bryant, Jonathan J. ^{[1
]}

Lindner, Benjamin D. ^{[1
]}

Bunz, Uwe H. F. ^{[1
]}

机构：

[1] Heidelberg Univ, Inst Organ Chem, D-69120 Heidelberg, Germany

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2013年 / 78卷 / 03期

关键词：

RECENT PROGRESS; FLUORESCENT; CRUCIFORMS; GOLD; CHEMOSENSORS; PROTONS; SILVER; HG2+;

D O I：

10.1021/jo3024889

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A series of bis-triazolyl benzochalcogendiazoles was synthesized to investigate their metal-binding capabilities. These fluorophores were formed through the cycloaddition of an ethynylated benzochalcogendiazole and a water-soluble azide. Variation of the chalcogen heteroatom was seen to affect the photophysical properties as well as the metal-binding activity. These cycloadducts exhibited a distinct response to Cu2+, Ni2+, and Ag+ in water. The binding affinity for the copper and nickel ions increased moving the chalcogen atom from O to Se. Statistical analysis of the spectral data enabled differentiation of Ag+, Cu2+, and Ni2+ ions.

引用

页码：1038 / 1044

页数：7

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