Journal
TETRAHEDRON LETTERS
Volume 48, Issue 10, Pages 1859-1861Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.12.147
Keywords
1-naphthaleneacetamide; benzo-15-crown-5; 'Off-On' fluorescence detection; photo-induced electron transfer; twisted intramolecular charge transfer
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A new fluorescent ionophore for Mg2+, 4'-(1-naphthaleneacetamido)benzo-15-crown-5 (1), was synthesized, and its complexation behavior in acetonitrile was investigated by means of UV and fluorescence spectrometry. In the absence of a metal ion, the naphthalene moiety showed quite weak fluorescence emission (fluorescence 'Off state). On the other hand, after the addition of M2+, fluorescence emission from the naphthalene moiety increased (fluorescence 'On' state). (c) 2007 Elsevier Ltd. All rights reserved.
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