Journal
ORGANIC LETTERS
Volume 13, Issue 12, Pages 3044-3047Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol200911w
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Funding
- German Academic Exchange Service (DAAD)
- EPSRC [EP/F035535/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F035535/1] Funding Source: researchfish
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A series of bisimidazolium salts were synthesized as novel guests for the macrocyclic host molecule cucurbit[8]uril (CB[8]). These bisimidazolium-CB[8] binary complexes exhibited a unique cage structure with the imidazolium rings acting as lids, leading to a size-dependent binding selectivity by altering the hydrophobic linker between the two imidazolium moieties. This new class of CB[8] complexes was also capable of binding small solvent molecules, including acetone, acetonitrile, diethyl ether, and tetrahydrofuran (THF) In an aqueous environment.
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