A new design strategy is described for chloride ion sensors based on suppression of excited state intramolecular proton transfer in squaramides as a fluorescence “turn on” mechanism.
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Chloride sensing via suppression of excited state intramolecular proton transfer in squaramides
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a
Department of Chemistry, University of Miami, Coral Gables, USA
b
Department of Chemistry and Biochemistry, Queens College and the Graduate Center of the City University of New York, Flushing, USA
c
University of Minnesota, Department of Chemistry, 207 Pleasant St. SE, Minneapolis, USA
d
Center for Learning Innovation, University of Minnesota Rochester, Rochester, USA
E-mail: muthy004@r.umn.edu ;
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E-mail: muthy004@r.umn.edu ;
Fax: +1-507-258-8066 ;
Tel: +1-507-258-8207
Chem. Commun., 2013,49, 1633-1635
DOI: 10.1039/C3CC38767D
Received 06 Dec 2012, Accepted 09 Jan 2013
First published online 22 Jan 2013
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