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Open AccessArticle

Supramolecular Detection of a Nerve Agent Simulant by Fluorescent Zn–Salen Oligomer Receptors

1
Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95100 Catania, Italy
2
CNR-IPCB Istituto per i Polimeri, Compositi e Biomateriali, Via P. Gaifami 18, I-95126 Catania, Italy
3
Department of Chemical Sciences, University of Catania Research Unit (I.N.S.T.M.) UdR of Catania, Viale A. Doria 6, 95125 Catania, Italy
*
Authors to whom correspondence should be addressed.
Academic Editor: Antonella Dalla Cort
Molecules 2019, 24(11), 2160; https://doi.org/10.3390/molecules24112160
Received: 3 May 2019 / Revised: 27 May 2019 / Accepted: 7 June 2019 / Published: 8 June 2019
(This article belongs to the Special Issue Schiff Base and Its Metal Complexes)
We report on new Zn–Salen oligomer receptors able to recognize a nerve agent simulant, namely dimethyl methylphosphonate (DMMP), by a supramolecular approach. In particular, three Zn-Salen oligomers (Zn–Oligo–A, –B, and –C), differing by the length distribution, were obtained and characterized by NMR, Gel Permeation Chromatography (GPC), UV-Vis, and fluorescence spectroscopy. Furthermore, we investigated their recognition properties towards DMMP by using fluorescence measurements. We found that the recognition ability depends on the length of the oligomeric chain, and the Zn–Oligo–C shows a binding constant value higher than those already reported in literature for the DMMP detection. View Full-Text
Keywords: chemical warfare agents; supramolecular detection; oligo-Salen chemical warfare agents; supramolecular detection; oligo-Salen
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MDPI and ACS Style

Puglisi, R.; Mineo, P.G.; Pappalardo, A.; Gulino, A.; Trusso Sfrazzetto, G. Supramolecular Detection of a Nerve Agent Simulant by Fluorescent Zn–Salen Oligomer Receptors. Molecules 2019, 24, 2160.

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