A pyridinium cation–π interaction sensor for the fluorescent detection of alkyl halides

Wenbo Chen; Souad A. Elfeky; Ysé Nonne; Louise Male; Kabir Ahmed; Claire Amiable; Philip Axe; Shinji Yamada; Tony D. James; Steven D. Bull; John S. Fossey

doi:10.1039/C0CC01420F

A pyridinium cation–π interaction sensor for the fluorescent detection of alkyl halides†‡

Wenbo Chen,^a Souad A. Elfeky,^a Ysé Nonne,^ab Louise Male,^a Kabir Ahmed,^a Claire Amiable,^bc Philip Axe,^c Shinji Yamada,^d Tony D. James,^c Steven D. Bull*^c and John S. Fossey*^ae

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^a School of Chemistry, University of Birmingham, Edgbaston, Birmingham, West Midlands, UK
E-mail: j.s.fossey@bham.ac.uk
Web: www.johnfossey.com

^b ESCOM (Ecole Supérieur de Chimie Organique et Minérale), 1, Allée du réseau Jean-Marie Buckmaster, 60200 Compiègne, France

^c Department of Chemistry, University of Bath, Claverton Down, Bath, UK
E-mail: s.d.bull@bath.ac.uk

^d Department of Chemistry, Ochanomizu University, 2-1-1 Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan

^e Department of Chemistry, Ochanomizu University, 2-1-1 Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan

Abstract

N-Alkylation of a novel pyridine sensor results in pyridinium salts whose conformations are stabilised by pyridinium cation–π interactions resulting in a fluorescent response that can be used to sense the presence of alkylating agents in solution at low concentration.

Chemical Communications

A pyridinium cation–π interaction sensor for the fluorescent detection of alkyl halides†‡

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A pyridinium cation–π interaction sensor for the fluorescent detection of alkyl halides

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