A pyrene based fluorescent sensor for Zn2+ ions: a molecular ‘butterfly’

Erendra Manandhar; Hugh J. Broome; Jalin Myrick; Whitney Lagrone; Peter Cragg; Karl J. Wallace

doi:10.1039/c1cc13286e

A pyrene based fluorescent sensor for Zn2+ ions: a molecular ‘butterfly’

Erendra Manandhar, Hugh J. Broome, Jalin Myrick, Whitney Lagrone, Peter Cragg, Karl J. Wallace

University of Brighton

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Abstract

A simple pyrene-based triazole receptor has been synthesised and shown to self-assemble in the presence of ZnCl2 in an exclusively 2:1 ratio, whereas a mixture of 2:1 and 1:1 ratios are observed for other Zn2+ salts. The pyrene units are syn in orientation, this is supported by a strong excimer signal observed at 410 nm in the presence of ZnCl2 in acetonitrile. DFT calculations and 2D NMR support the proposed structure.

Original language	English
Pages (from-to)	8796-8798
Number of pages	3
Journal	Chemical Communications
Volume	47
Issue number	31
DOIs	https://doi.org/10.1039/c1cc13286e
Publication status	Published - 7 Jul 2011

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abstract = "A simple pyrene-based triazole receptor has been synthesised and shown to self-assemble in the presence of ZnCl2 in an exclusively 2:1 ratio, whereas a mixture of 2:1 and 1:1 ratios are observed for other Zn2+ salts. The pyrene units are syn in orientation, this is supported by a strong excimer signal observed at 410 nm in the presence of ZnCl2 in acetonitrile. DFT calculations and 2D NMR support the proposed structure.",

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AU - Lagrone, Whitney

AU - Cragg, Peter

AU - Wallace, Karl J.

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AB - A simple pyrene-based triazole receptor has been synthesised and shown to self-assemble in the presence of ZnCl2 in an exclusively 2:1 ratio, whereas a mixture of 2:1 and 1:1 ratios are observed for other Zn2+ salts. The pyrene units are syn in orientation, this is supported by a strong excimer signal observed at 410 nm in the presence of ZnCl2 in acetonitrile. DFT calculations and 2D NMR support the proposed structure.

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EP - 8798

JO - Chemical Communications

JF - Chemical Communications

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A pyrene based fluorescent sensor for Zn2+ ions: a molecular ‘butterfly’

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