Issue 4, 2013

Cyclic benzobisimidazolium derivative for the selective fluorescent recognition of HSO4via a combination of C–H hydrogen bonds and charge interactions

Abstract

In this study, a novel fluorescent cyclic benzobisimidazolium derivative was designed and prepared for the selective recognition of HSO4. Pre-organization, neutral C–H hydrogen bonds and charge interactions play key roles in recognizing HSO4 in aqueous solution. Spectroscopic studies, including UV-vis and fluorescence, showed that this cyclic receptor exhibited high selectivity in response to HSO4. X-Ray crystal data, NMR data and theoretical calculations are presented to explain its unique binding mode.

Graphical abstract: Cyclic benzobisimidazolium derivative for the selective fluorescent recognition of HSO4−via a combination of C–H hydrogen bonds and charge interactions

Supplementary files

Article information

Article type
Edge Article
Submitted
11 Dec 2012
Accepted
09 Jan 2013
First published
10 Jan 2013

Chem. Sci., 2013,4, 1765-1771

Cyclic benzobisimidazolium derivative for the selective fluorescent recognition of HSO4via a combination of C–H hydrogen bonds and charge interactions

N. R. Song, J. H. Moon, J. Choi, E. J. Jun, Y. Kim, S. Kim, J. Y. Lee and J. Yoon, Chem. Sci., 2013, 4, 1765 DOI: 10.1039/C3SC22201B

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