Quinoxaline-imidazolium receptors for unique sensing of pyrophosphate and acetate by charge transfer

被引：109

作者：

Singh, N. Jiten

Jun, Eun Jin

Chellappan, Kavitha

Thangadurai, Daniel

Chandran, R. Prakash

Hwang, In-Chul

Yoon, Juyoung

Kim, Kwang S.

机构：

[1] Pohang Univ Sci & Technol, Dept Chem, Ctr Superfunct Mat, Pohang 790784, South Korea

[2] Ewha Womans Univ, Dept Chem, Sodaemun Ku, Seoul 120750, South Korea

[3] Ewha Womans Univ, Div Nano Sci, Sodaemun Ku, Seoul 120750, South Korea

来源：

ORGANIC LETTERS | 2007年 / 9卷 / 03期

关键词：

D O I：

10.1021/ol062849b

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Quinoxaline derivatives (1-4) bearing two imidazolium moieties are found to strongly bind anions and show unique charge-transfer fluorescent responses to pyrophosphate and acetate, whereas they show excimer formation with other anions. Anion-binding studies are investigated with fluorescence and H-1 NMR analysis, single-crystal X-ray analysis, and theoretical calculations.

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收藏

页码：485 / 488

页数：4

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