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Issue 2, 2007
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Spectroscopic studies of a fluorescent fluoresceinophane formed via a practical synthetic route

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Abstract

A practical macrocycle synthesis incorporating a highly fluorescent fluorescein was developed. Photophysical, crystallographic and dynamic-NMR studies showed the alkyl tether forces a constrained conformation of the fluoresceinophane, which enhances the fluorescence quantum yields by reducing the excited-state deactivation pathways. Enhanced temperature-dependent fluorescence relative to its linear analogue was also found as a result of the constrained macrocycle conformation, while a manifold shift from the singlet to the triplet state still occurred in different polar solvents.

Graphical abstract: Spectroscopic studies of a fluorescent fluoresceinophane formed via a practical synthetic route

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Article information


Submitted
01 Aug 2006
Accepted
30 Nov 2006
First published
19 Dec 2006

New J. Chem., 2007,31, 210-217
Article type
Paper

Spectroscopic studies of a fluorescent fluoresceinophane formed via a practical synthetic route

S. Andrés Peréz Guarìn, D. Tsang and W. G. Skene, New J. Chem., 2007, 31, 210
DOI: 10.1039/B611060F

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