Selective and tuneable recognition of anions using C3v-symmetrical tripodal urea-amide receptor platforms

Cidalia Maria Gomes dos Santos; Elaine M. Boyle; Stefano De Solis; Paul E. Kruger; Thorfinnur Gunnlaugsson

doi:10.1039/C1CC15233E

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Selective and tuneable recognition of anions using C_3v-symmetrical tripodal urea-amide receptor platforms†

Cidalia Maria Gomes dos Santos,^a Elaine M. Boyle,^a Stefano De Solis,^ab Paul E. Kruger^c and Thorfinnur Gunnlaugsson*^a

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* Corresponding authors

^a School of Chemistry, Centre for Synthesis and Chemical Biology, Trinity College Dublin, Dublin 2, Ireland
E-mail: gunnlaut@tcd.ie
Fax: +353 1 671 2826
Tel: +353 1 896 3459

^b Department of Chemistry, University of Perugia, via Elce Di Sotto 8, 06123 Perugia, Italy

^c Department of Chemistry, University of Canterbury, Private Bag 4800, Christchurch 8041, New Zealand

Abstract

The synthesis and binding investigations of first generation C_3v-symmetrical hydrogen bonding urea-amide based tripodal receptors, 1–6, with various anions such as acetate, phosphate, sulfate and chloride in DMSO-d₆ are presented. Analysis of the ¹H NMR titrations of 1–6 showed on all occasions the selective formation of 1 : 1 stoichiometries.

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Article information

DOI: https://doi.org/10.1039/C1CC15233E
Article type: Communication
Submitted: 23 Aug 2011
Accepted: 29 Sep 2011
First published: 14 Oct 2011

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Chem. Commun., 2011,47, 12176-12178

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Selective and tuneable recognition of anions using C_3v-symmetrical tripodal urea-amide receptor platforms

C. M. G. dos Santos, E. M. Boyle, S. De Solis, P. E. Kruger and T. Gunnlaugsson, Chem. Commun., 2011, 47, 12176 DOI: 10.1039/C1CC15233E

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Chemical Communications