Benzimidazolium-based simple host for fluorometric sensing of H2PO4-, F-, PO43- and AMP under different conditions

被引：41

作者：

Ghosh, Kumaresh ^{[1
]}

Kar, Debasis ^{[1
]}

Chowdhury, Purnendu Roy ^{[2
]}

机构：

[1] Univ Kalyani, Dept Chem, Kalyani 741235, Nadia, India

[2] Chembiotek Res Int Pvt Ltd, Salt Lake City 700091, Kolkata, India

来源：

TETRAHEDRON LETTERS | 2011年 / 52卷 / 39期

关键词：

Dihydrogenphospate recognition; Ratiometric sensing; Benzmidazolium-based receptor; Phosphate recognition; AMP sensing; SELECTIVE FLUORESCENT CHEMOSENSOR; ANION RECEPTORS; BINDING; DESIGN; PHOSPHATE; EXCIMER; PYRENE;

D O I：

10.1016/j.tetlet.2011.07.110

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Pyrene appended benzimidazolium-based simple cleft 1 has been synthesized. The open cleft of 1 distinguishes H2PO4- and F- selectively by showing binding induced different emission characteristics in CH3CN. The chemosensor 1 also functions in aqueous CH3CN and shows marked change in emission in the presence of sodium phosphate at pH 6.5 and AMP at pH 7.3. Binding studies have been carried out using fluorescence, UV-vis and H-1 NMR spectroscopic techniques. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：5098 / 5103

页数：6

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