Manandhar, Erendra, Broome, Hugh J., Myrick, Jalin, Lagrone, Whitney, CRAGG, PETER and Wallace, Karl J.
A pyrene based fluorescent sensor for Zn2+ ions: a molecular ‘butterfly’
Chemical Communications, 47 (31).
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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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