Simultaneous Endo- and Exo-Complex Formation of Pyridine[4]arene Dimer with Neutral and Anionic Guests
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Kiesilä, A., Kivijärvi, L., Beyeh, N. K., Moilanen, J., Groessl, M., Rothe, T., . . . Kalenius, E. (2017). Simultaneous Endo- and Exo-Complex Formation of Pyridine[4]arene Dimer with Neutral and Anionic Guests. Angewandte Chemie International Edition, 56 (36), 10942-10946. doi:10.1002/anie.201704054
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Angewandte Chemie International EditionPäivämäärä
2017Pääsyrajoitukset
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© 2017 Wiley-VCH Verlag GmbH & Co. This is a final draft version of an article whose final and definitive form has been published by Wiley. Published in this repository with the kind permission of the publisher.
The formation of complexes between hexafluorophosphate (PF6−) and tetraisobutyloctahydroxypyridine[4]arene has been thoroughly studied in the gas phase (ESI-QTOF-MS, IM-MS, DFT calculations), in the solid state (X-ray crystallography), and in chloroform solution (1H, 19F, and DOSY NMR spectroscopy). In all states of matter, simultaneous endo complexation of solvent molecules and exo complexation of a PF6− anion within a pyridine[4]arene dimer was observed. While similar ternary complexes are often observed in the solid state, this is a unique example of such behavior in the gas phase.