Fluorescent Imidazolium-Based Cyclophane for Detection of Guanosine-5'-triphosphate and I-in Aqueous Solution of Physiological pH

Ahmed, Nisar ORCID: https://orcid.org/0000-0002-7954-5251, Shirinfar, Bahareh, Geronimo, Inacrist and Kim, Kwang S. 2011. Fluorescent Imidazolium-Based Cyclophane for Detection of Guanosine-5'-triphosphate and I-in Aqueous Solution of Physiological pH. Organic Letters 13 (20) , pp. 5476-5479. 10.1021/ol202183t

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Abstract

A new water-soluble and fluorescent imidazolium-anthracene cyclophane (1) effectively recognizes the biologically important GTP and I– over other anions in a 100% aqueous solution of physiological pH 7.4. Fluorescence and 1H NMR spectra and ab initio calculations demonstrate that emission arises from the formation of an excimer state and quenching occurs upon GTP/I– binding through (C–H)+···A– hydrogen bond interactions.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	ACS
ISSN:	1523-7060
Last Modified:	21 Oct 2022 07:40
URI:	https://orca.cardiff.ac.uk/id/eprint/100429

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