Issue 9, 2004
From the journal:

Chemical Communications

DPA-substituted coumarins as chemosensors for zinc(ii): modulation of the chemosensory characteristics by variation of the position of the chelate on the coumarin

Nathaniel C. Lima  and  Christian Brückner*a  

* Corresponding authors

a Department of Chemistry, University of Connecticut, Storrs, CT 06269-3060, USA
E-mail: c.bruckner@uconn.edu

Abstract

The sensory capabilities of two novel di(2-picolyl)amine (DPA)-substituted coumarins are described and it is shown that the variation of the point of attachment of the DPA group to the coumarin framework controls their sensing behavior: the 4-substituted system is a CHEF-type sensor that shows a significant increase in fluorescence intensity upon Zn2+ binding, whereas the 3-substituted system is a ratiometric sensor.

Graphical abstract: DPA-substituted coumarins as chemosensors for zinc(ii): modulation of the chemosensory characteristics by variation of the position of the chelate on the coumarin

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Article information

DOI
https://doi.org/10.1039/B403448A
Article type
Communication
Submitted
05 Mar 2004
Accepted
22 Mar 2004
First published
01 Apr 2004

Chem. Commun., 2004, 1094-1095

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DPA-substituted coumarins as chemosensors for zinc(II): modulation of the chemosensory characteristics by variation of the position of the chelate on the coumarin

N. C. Lim and C. Brückner, Chem. Commun., 2004, 1094 DOI: 10.1039/B403448A

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