Non-equilibrium cobalt(iii) “click” capsules† †Electronic supplementary information (ESI) available: Synthetic details, X-ray crystallography results, CV, volume calculations, scrambling and guest-binding experiments. CCDC 1014311. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c4sc03036b Click here for additional data file. Click here for additional data file.
نویسندگان
چکیده
Cobalt(III) tetrahedral capsules have been prepared using an assembly-followed-by-oxidation protocol from a cobalt(II) precursor and a readily derivatizable pyridyl-triazole ligand system. Experiments designed to probe the constitutional dynamics show that these architectures are in a non-equilibrium state. A preliminary investigation into the host–guest chemistry of a water-soluble derivative shows it can bind and differentiate a range of different neutral organic molecules. The stability of this ensemble also permits the study of guest-binding at high salt concentrations.
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