title: Aqueous anion receptors through reduction of subcomponent self-assembled structures.
abstract: To prepare new functional covalent architectures that are difficult to synthesize using conventional organic methods, we developed a strategy that employs metal-organic assemblies as precursors, which are then reduced and demetalated. The host-guest chemistry of the larger receptor thus prepared was studied using NMR spectroscopy and fluorescence experiments. This host was observed to strongly bind aromatic polyanions in water, including the fluorescent dye molecule pyranine with nanomolar affinity, thus allowing for the design of an indicator-displacement assay.
authors.affiliation: Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW (UK) http://www-jrn.ch.cam.ac.uk.
authors.forename: Jesús
authors.initials: J
authors.lastname: Mosquera
authors.forename: Salvatore
authors.initials: S
authors.lastname: Zarra
authors.forename: Jonathan R
authors.initials: JR
authors.lastname: Nitschke
keywords: anion recognition; covalent cage compounds; host-guest systems; self-assembly; supramolecular chemistry