High Na+ and K+-induced fluorescence enhancement of a π-conjugated phenylaza-18-crown-6-triazol-substituted coumarin fluoroionophore

被引：41

作者：

Ast, Sandra ^{[1
]}

Mueller, Holger ^{[1
]}

Flehr, Roman ^{[1
]}

Klamroth, Tillmann ^{[1
]}

Walz, Bernd ^{[2
]}

Holdt, Hans-Juergen ^{[1
]}

机构：

[1] Univ Potsdam, Inst Chem, D-14467 Potsdam, Germany

[2] Univ Potsdam, Inst Biochem & Biol Zoophysiol, D-14467 Potsdam, Germany

来源：

CHEMICAL COMMUNICATIONS | 2011年 / 47卷 / 16期

关键词：

1,3-DIPOLAR CYCLOADDITION; HIGH SELECTIVITY; WURSTERS CROWNS; CHEMOSENSOR; POTASSIUM; SENSORS;

D O I：

10.1039/c0cc04370b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The new pi-conjugated 1,2,3-triazol-1,4-diyl fluoroionophore 1 generated via Cu(I) catalyzed [3 + 2] cycloaddition shows high fluorescence enhancement factors (FEF) in the presence of Na+ (FEF = 58) and K+ (FEF = 27) in MeCN and high selectivity towards K+ under simulated physiological conditions (160 mM K+ or Na+, respectively) with a FEF of 2.5 for K+.

引用

收藏

页码：4685 / 4687

页数：3

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