Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 16, Issue 12, Pages 3131-3134Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2006.03.058
Keywords
8-hydroxyquinoline; dipyrrin; ratiometric; ICT; Zn2+ ion; chemosensor
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A ratiometric fluorescent chemosensor 5 was designed and synthesized based on internal charge transfer (ICT). The indicator absorbs and emits light in the visible wavelength range. In acetonitrile, blue shifts in fluorescent emission upon zinc binding are due to the formation of a 1:2 metal/ligand complex, which induced a fluorescent emission at 616 nm at the expense of the fluorescent emission at 672 nm. (c) 2006 Elsevier Ltd. All rights reserved.
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