Simultaneous endo and exo Complex Formation of Pyridine[4]arene Dimers with Neutral and Anionic Guests

Anniina Kiesilä, Lauri Kivijärvi, Ngong Kodiah Beyeh, Jani O. Moilanen, Michael Groessl, Tatiana Rothe, Sven Götz, Filip Topić, Kari Rissanen, Arne Lützen*, Elina Kalenius

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)10942–10946
JournalAngewandte Chemie
Volume56
Issue number36
DOIs
Publication statusPublished - 2017
MoE publication typeA1 Journal article-refereed

Keywords

  • Anion binding
  • Ion mobility mass spectrometry
  • Molecular recognition
  • Pyridine[4]arenes
  • Resorcinarenes

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