The cucurbituril 'portal' effect

Sanem Senler, Wei Li, Mohammad Hossein Tootoonchi, Song Yi, Angel E. Kaifer

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

This work focuses on the effect of cucurbit[n]uril (CBn) hosts on the microenvironment of molecular subunits that are located adjacent to the CBn binding site in inclusion complexes. The set of data presented here includes previously reported electrochemical and electron paramagnetic resonance spectroscopic data, primarily obtained with ferrocene-containing guests, as well as new electrochemical data recorded with 4,4′-bipyridinium (viologen) derivatives. Most of the data were obtained with cucurbit[7]uril (CB7) complexes, and the rest were collected with cucurbit[8]uril (CB8) complexes. The experimental data compiled here clearly suggest that the microenvironment adjacent to the CBn portals in the complexes exhibits increased polarity compared with the bulk aqueous solution.

Original languageEnglish (US)
Pages (from-to)677-683
Number of pages7
JournalSupramolecular Chemistry
Volume26
Issue number9
DOIs
StatePublished - Sep 2 2014

Keywords

  • cucurbit[n]urils
  • electron paramagnetic resonance
  • ferrocene
  • viologens
  • voltammetry

ASJC Scopus subject areas

  • Chemistry(all)

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