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Sensors 2014, 14(8), 14038-14049; https://doi.org/10.3390/s140814038

Anion Binding Studies on Receptors Derived from the Indolo[2,3-a]carbazole Scaffold Having Different Binding Cavity Sizes

Departmento de Quimica Orgánica, Facultad de Química, Universidad de Murcia. Campus de Espinardo, 30100 Murcia, Spain
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Received: 4 July 2014 / Revised: 25 July 2014 / Accepted: 28 July 2014 / Published: 31 July 2014
(This article belongs to the Special Issue Molecular Sensing and Molecular Electronics)
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Abstract

The indolo[2,3-a]carbazole scaffold is a fused polyheteroaromatic system bearing two NH groups which suitably converge as hydrogen bond donor sites for the recognition of anions. A simple derivatisation of the indolocarbazole system at positions 1 and 10 with different functional groups, namely alcohols and amides, has contributed to modulate the anion binding selectivity and sensibility. A particularly good response has been obtained for the benzoate anion. View Full-Text
Keywords: supramolecular chemistry; anions; indolocarbazole ring; benzoate anion; fluorescence spectroscopy; absorption spectroscopy supramolecular chemistry; anions; indolocarbazole ring; benzoate anion; fluorescence spectroscopy; absorption spectroscopy
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Sánchez, G.; Curiel, D.; Tárraga, A.; Molina, P. Anion Binding Studies on Receptors Derived from the Indolo[2,3-a]carbazole Scaffold Having Different Binding Cavity Sizes. Sensors 2014, 14, 14038-14049.

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