Pyrene-based simple new hetero bis amide pyridinium salt for selective sensing of benzoate and hydrogen sulphate
A new pyrene-based hetero bis amide pyridinium salt 1 has been designed and synthesised. The hetero bis amide salt 1 selectively recognises benzoate over a range of aliphatic monocarboxylates in CHCl3 containing 2% CH3CN by showing concomitant increase in emission of pyrene. The flexible
cleft of 1 also showed selective sensing of tetrahedral-shaped [image omitted] ion over [image omitted] ion. The recognition property of 1 was evaluated by 1H NMR, UV-vis and fluorescence studies.
Keywords: anion recognition; benzoate recognition; hydrogen sulphate recognition; pyrene-based receptor; pyridinium salt
Document Type: Research Article
Affiliations: Department of Chemistry, University of Kalyani, Kalyani, 741235, India
Publication date: 01 May 2011
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