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Anion-Anion proton transfer in hydrogen bonded complexes

Anion-Anion proton transfer in hydrogen bonded complexes
Anion-Anion proton transfer in hydrogen bonded complexes
Complexation of dihydrogen phosphate by an anion receptor containing six hydrogen bond donor groups has been shown to reduce the pKa of the bound anionic species to such an extent that addition of further aliquots of dihydrogen phosphate result in deprotonation of the bound species with the resultant formation of a monohydrogen phosphate receptor complex.

X-ray crystallographic studies confirm monohydrogen phosphate complex formation in the solid state. In this way, this study explains the formation of complexes with unusual stoichiometries when investigating the binding of dihydrogenphosphate anion to hydrogen-bonding receptors.
anions, crystallography, hydrogen bonds, NMR spectroscopy, supramolecular chemistry
1861-471X
555-561
Gale, Philip A.
c840b7e9-6847-4843-91af-fa0f8563d943
Hiscock, Jennifer
99a8a34c-a869-48e2-b713-1e69e4741032
Moore, Stephen J.
6f72ddec-5c40-4c17-9250-d23890b99e1e
Caltagirone, Claudia
9148afed-6af0-4fcd-b30e-daa3d7765dc0
Hursthouse, Michael B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da
Light, Mark E.
cf57314e-6856-491b-a8d2-2dffc452e161
Gale, Philip A.
c840b7e9-6847-4843-91af-fa0f8563d943
Hiscock, Jennifer
99a8a34c-a869-48e2-b713-1e69e4741032
Moore, Stephen J.
6f72ddec-5c40-4c17-9250-d23890b99e1e
Caltagirone, Claudia
9148afed-6af0-4fcd-b30e-daa3d7765dc0
Hursthouse, Michael B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da
Light, Mark E.
cf57314e-6856-491b-a8d2-2dffc452e161

Gale, Philip A., Hiscock, Jennifer, Moore, Stephen J., Caltagirone, Claudia, Hursthouse, Michael B. and Light, Mark E. (2010) Anion-Anion proton transfer in hydrogen bonded complexes. Chemistry - An Asian Journal, 5 (3), 555-561. (doi:10.1002/asia.200900230).

Record type: Article

Abstract

Complexation of dihydrogen phosphate by an anion receptor containing six hydrogen bond donor groups has been shown to reduce the pKa of the bound anionic species to such an extent that addition of further aliquots of dihydrogen phosphate result in deprotonation of the bound species with the resultant formation of a monohydrogen phosphate receptor complex.

X-ray crystallographic studies confirm monohydrogen phosphate complex formation in the solid state. In this way, this study explains the formation of complexes with unusual stoichiometries when investigating the binding of dihydrogenphosphate anion to hydrogen-bonding receptors.

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Published date: 2010
Keywords: anions, crystallography, hydrogen bonds, NMR spectroscopy, supramolecular chemistry
Organisations: Chemistry

Identifiers

Local EPrints ID: 144943
URI: http://eprints.soton.ac.uk/id/eprint/144943
ISSN: 1861-471X
PURE UUID: 06e51a8d-8ac3-4411-88ba-49867dba3c09
ORCID for Philip A. Gale: ORCID iD orcid.org/0000-0001-9751-4910
ORCID for Mark E. Light: ORCID iD orcid.org/0000-0002-0585-0843

Catalogue record

Date deposited: 15 Apr 2010 13:44
Last modified: 07 Oct 2020 07:25

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