4.4 Article

Fluorescence sensing of tartaric acid: a case of excimer emission caused by hydrogen bond-mediated complexation

Journal

TETRAHEDRON LETTERS
Volume 47, Issue 21, Pages 3577-3581

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.03.044

Keywords

molecular recognition; excimer emission; selective binding; tartaric acid; neutral molecule binding

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A novel quinoline based receptor that shows monomer emission quenching followed by intramolecular excimer emission upon hydrogen bond mediated complexation of tartaric acid has been designed and synthesized. The excimer emission has been used to confirm the selective recognition of tartaric acid over its nonhydroxy analogue, succinic acid. Binding ability was studied by H-1 NMR, UV-vis and fluorescence spectroscopic methods. (c) 2006 Elsevier Ltd. All rights reserved.

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