Anion-driven encapsulation of cationic guests inside pyridinearene dimers
Kiesilä, A., Moilanen, J. O., Kruve, A., Schalley, C. A., Barran, P., & Kalenius, E. (2019). Anion-driven encapsulation of cationic guests inside pyridinearene dimers. Beilstein Journal of Organic Chemistry, 15, 2486–2492. https://doi.org/10.3762/bjoc.15.241
Published inBeilstein Journal of Organic Chemistry
DisciplineOrgaaninen kemiaEpäorgaaninen ja analyyttinen kemiaOrganic ChemistryInorganic and Analytical Chemistry
© 2019 The Authors
Pyridinearenes have previously been considered as anion binding hosts due to the electron-poor nature of the pyridine ring. Herein, we demonstrate the encapsulation of Me4N+ cations inside a dimeric hydrogen-bonded pyridinearene capsule, which contradicts with earlier assumptions. The complexation of a cationic guest inside the pyridinearene dimer has been detected and studied by multiple gas-phase techniques, ESI-QTOF-MS, IRMPD, and DT-IMMS experiments, as well as DFT calculations. The comparison of classical resorcinarenes with pyridinearenes by MS and NMR experiments reveals clear differences in their host–guest chemistry and implies that cation encapsulation in pyridinearene is an anion-driven process.
PublisherBeilstein Institut zur Foerderung der Chemischen Wissenschaften
Dataset related to the publicationhttps://www.beilstein-journals.org/bjoc/content/ supplementary/1860-5397-15-241-S1.pdf
Publication in research information system
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Related funder(s)Academy of Finland
Funding program(s)Research costs of Academy Research Fellow, AoF; Research post as Academy Research Fellow, AoF; Postdoctoral Researcher, AoF
Additional information about fundingWe wish to thank The Academy of Finland (projects 284562, 278743 and 312514 to E.K. and 285855 to J.O.M.), the University of Jyväskylä and the Deutsche Forschungsgemeinschaft (Core Facility BioSupraMol) for financial support. J.O.M wishes to acknowledge Finnish Grid and Cloud Infrastructure (persistent identifier urn:nbn:fi:research-infras-2016072533), CSC - IT Center for Science, Finland, and Prof. Heikki M. Tuononen for computational resources. ...
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