Extending the hydrogen-bonding array in ortho-phenylenediamine based bis-ureas
Extending the hydrogen-bonding array in ortho-phenylenediamine based bis-ureas
Two new ortho-phenylenediamine based bis-urea compounds have been synthesized with pendant amide groups. The stability constants of the new compounds with a variety of anionic guests have been measured by 1H NMR titration techniques and compared to the parent bis-urea. The X-ray crystal structure of the acetate and benzoate complexes of a bis-amide functionalized system have been solved and reveal the receptor forming a dimer with two anions bound at the termini of the hydrogen bonded assembly.
urea, host, crystallography, neutral anion receptors, anion receptors, stabilization, solid-state, recognition, amides, binding, family, carboxylate complexation
9-15
Brooks, S.J.
90e62b94-2814-4683-8ad8-4f0cd391580e
Gale, P.A.
c840b7e9-6847-4843-91af-fa0f8563d943
Light, M.E.
cf57314e-6856-491b-a8d2-2dffc452e161
2007
Brooks, S.J.
90e62b94-2814-4683-8ad8-4f0cd391580e
Gale, P.A.
c840b7e9-6847-4843-91af-fa0f8563d943
Light, M.E.
cf57314e-6856-491b-a8d2-2dffc452e161
Brooks, S.J., Gale, P.A. and Light, M.E.
(2007)
Extending the hydrogen-bonding array in ortho-phenylenediamine based bis-ureas.
Supramolecular Chemistry, 19 (1-2), .
(doi:10.1080/10610270600879076).
Abstract
Two new ortho-phenylenediamine based bis-urea compounds have been synthesized with pendant amide groups. The stability constants of the new compounds with a variety of anionic guests have been measured by 1H NMR titration techniques and compared to the parent bis-urea. The X-ray crystal structure of the acetate and benzoate complexes of a bis-amide functionalized system have been solved and reveal the receptor forming a dimer with two anions bound at the termini of the hydrogen bonded assembly.
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Published date: 2007
Keywords:
urea, host, crystallography, neutral anion receptors, anion receptors, stabilization, solid-state, recognition, amides, binding, family, carboxylate complexation
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Local EPrints ID: 54254
URI: http://eprints.soton.ac.uk/id/eprint/54254
ISSN: 1061-0278
PURE UUID: 4654b2e3-fccc-4e25-ab78-1f5141b8c4a0
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Date deposited: 31 Jul 2008
Last modified: 16 Mar 2024 03:16
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Author:
S.J. Brooks
Author:
P.A. Gale
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