2011
DOI: 10.1002/chem.201003683
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Anion‐Free Bambus[6]uril and Its Supramolecular Properties

Abstract: Methods for the preparation of anion-free bambus[6]uril (BU6) are presented. They are based on the oxidation of iodide anion, which is bound inside the macrocycle, utilizing dark oxidation by hydrogen peroxide or photooxidation in the presence of titanium dioxide. Anion-free BU6 was found to be insoluble in any of the investigated solvents; however, it dissolves in methanol/chloroform (1:1) or acetonitrile/water (1:1) mixtures in the presence of the tetrabutylammonium salt of a suitable anion. The association … Show more

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Cited by 85 publications
(105 citation statements)
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“…(b) Visão superior da BU [6] indicando o íon cloreto caviplexado. Imagem adaptada da referência [17].…”
Section: Figura 13 (A)unclassified
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“…(b) Visão superior da BU [6] indicando o íon cloreto caviplexado. Imagem adaptada da referência [17].…”
Section: Figura 13 (A)unclassified
“…O resultado obtido foi um macrociclo com maior solubilidade em água e com a capacidade de interagir com diversos ânions em solução aquosa que a BU [6]•HCl. Na literatura [17] também é encontrada uma estratégia para se esvaziar a BU [6]•HCl.…”
Section: Figura 13 (A)unclassified
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