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Duke RM, O'Brien JE, McCabe T, et al. Colorimetric sensing of anions in aqueous solution using a charge neutral, cleft-like, amidothiourea receptor: tilting the balance between hydrogen bonding and deprotonation in anion recognition. Org Biomol Chem. 2008;6(22):4089-92doi: 10.1039/b807579d.
Duke, R. M., O'Brien, J. E., McCabe, T., & Gunnlaugsson, T. (2008). Colorimetric sensing of anions in aqueous solution using a charge neutral, cleft-like, amidothiourea receptor: tilting the balance between hydrogen bonding and deprotonation in anion recognition. Organic & biomolecular chemistry, 6(22), 4089-92. https://doi.org/10.1039/b807579d
Duke, Rebecca M, et al. "Colorimetric sensing of anions in aqueous solution using a charge neutral, cleft-like, amidothiourea receptor: tilting the balance between hydrogen bonding and deprotonation in anion recognition." Organic & biomolecular chemistry vol. 6,22 (2008): 4089-92. doi: https://doi.org/10.1039/b807579d
Duke RM, O'Brien JE, McCabe T, Gunnlaugsson T. Colorimetric sensing of anions in aqueous solution using a charge neutral, cleft-like, amidothiourea receptor: tilting the balance between hydrogen bonding and deprotonation in anion recognition. Org Biomol Chem. 2008 Nov 21;6(22):4089-92. doi: 10.1039/b807579d. Epub 2008 Oct 03. PMID: 18972035.
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Org Biomol Chem. 2008 Nov 21;6(22):4089-92. doi: 10.1039/b807579d. Epub 2008 Oct 03.

Colorimetric sensing of anions in aqueous solution using a charge neutral, cleft-like, amidothiourea receptor: tilting the balance between hydrogen bonding and deprotonation in anion recognition.

Organic & biomolecular chemistry

Rebecca M Duke, John E O'Brien, Thomas McCabe, Thorfinnur Gunnlaugsson

Affiliations

  1. School of Chemistry, Centre for Synthesis and Chemical Biology, Trinity College Dublin, Dublin 2, Ireland.

PMID: 18972035 DOI: 10.1039/b807579d

Abstract

The design, synthesis and physical evaluation of 1, a visible colorimetric 'naked eye' pyridyl based bis-amidothiourea sensor for anions, is described. This charge neutral sensor gives rise to significant changes in the absorption spectra upon interactions with several important biological anions such as AMP and ADP in 4:1 DMSO-H(2)O solution, while ATP was not detected. These colorimetric changes are due to the formation, or the combination of hydrogen bonding complexes and/or deprotonation between these anions and 1.

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