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Synthesis, Structure and Anion Sensing Properties of a Dicationic Bis(imidazolium)-Based Cyclophane

AuthorsSabater, Paula; Zapata, Fabiola; Caballero, Antonio; Alkorta, Ibon ; Ramírez de Arellano, Carmen; Elguero, José ; Molina, Pedro
Hydrogen bonds
Issue Date2018
PublisherChemPubSoc Europe
CitationChemistrySelect 3: 3855-3859 (2018)
AbstractThe preparation and sensing properties of a tetracyclic cyclophane receptor containing two imidazolium rings as anion binding sites and two fluorene rings as fluorescent signaling units, are reported. The receptor behaves as a selective fluorescent chemosensor molecule for inorganic phosphates. H-NMR spectroscopical data clearly indicate the simultaneous occurrence of charge-assisted aromatic and aliphatic C−H noncovalent interactions. PCM/DFT calculations have been carried out to predict the structures of the complexes formed with one and two molecules of PF , HPO and HPO .
Publisher version (URL)http://dx.doi.org/10.1002/slct.201800809
Identifiersdoi: 10.1002/slct.201800809
issn: 2365-6549
Appears in Collections:(IQM) Artículos
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