Issue 42, 2009
From the journal:

Dalton Transactions

New fluorescent zinc complexes: towards specific sensors for hydrogen sulfide in solution†

Erwan Galardon,*a   Alain Tomas,b   Pascal Rousselc  and  Isabelle Artauda  

* Corresponding authors

a Laboratoire de Chimie et Biochimie Toxicologiques et Pharmacologiques, UMR 8601 CNRS, Université Paris Descartes, 45 rue des St-Pères, Paris Cedex 06, France
E-mail: erwan.galardon@parisdescartes.fr
Fax: 33-1-42868387
Tel: 33-1-42862193

b Laboratoire de Cristallographie et RMN Biologiques, UMR 8015 CNRS, Université Paris Descartes, 4 avenue de l'Observatoire, Paris cedex 06, France

c UCCS–Unité de Catalyse et Chimie du Solide, UMR 8012 CNRS, École Nationale Supérieure de Chimie de Lille, Villeneuve d'Ascq cedex, France

Abstract

Two new fluorescent zinc complexes 1 and 2 have been synthesized by reaction of the complex TpPh,MeZn(OH) with 7-hydroxy-4-methylcoumarin (MUH) or 7-mercapto-4-methylcoumarin (MUSH). While the alcoholato derivative TpPh,MeZn(MU) 1 is not efficient for sensing hydrogen sulfide, the thiolato complex TpPh,MeZn(MUS) 2 is a colorimetric “turn-on” and fluorescence “turn-off” sensor which shows high selectivity for hydrogen sulfide in the presence of additional thiols like cysteine or glutathione.

Graphical abstract: New fluorescent zinc complexes: towards specific sensors for hydrogen sulfide in solution

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Article information

DOI
https://doi.org/10.1039/B907115F
Article type
Paper
Submitted
08 Apr 2009
Accepted
13 Aug 2009
First published
02 Sep 2009

Dalton Trans., 2009, 9126-9130

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New fluorescent zinc complexes: towards specific sensors for hydrogen sulfide in solution

E. Galardon, A. Tomas, P. Roussel and I. Artaud, Dalton Trans., 2009, 9126 DOI: 10.1039/B907115F

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