Synthesis and supramolecular properties of glycoluril tetramer

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Authors

ŠTANCL Marek GILBERG Laura USTRNUL Lukáš NEČAS Marek ŠINDELÁŘ Vladimír

Year of publication 2014
Type Article in Periodical
Magazine / Source Supramolecular Chemistry
MU Faculty or unit

Faculty of Science

Citation
Web http://www.tandfonline.com/doi/abs/10.1080/10610278.2013.842643
Doi http://dx.doi.org/10.1080/10610278.2013.842643
Field Organic chemistry
Keywords glycolurils; cucurbiturils; host–guest chemistry
Description We have synthesised a tetramer as a new host molecule based on glycoluril. We have demonstrated the ability of it to undergo dimerisation in the solid state. The host–guest properties in the solution have been investigated using 1H NMR spectrometry. It has been found that the tetramer binds organic guests in the same preferences as CB6 although absolute binding constants are about one order of magnitude lower. Different binding properties of tetramer and previously reported derivate indicate that the attachment of functional groups to the terminal units of tetramer can significantly affect the binding affinity and, moreover, selectivity of these acyclic oligomers.
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