Modes of Binding Interaction between Viologen Guests and the Cucurbit[7]uril Host

Kwangyul Moon, Angel E. Kaifer

Research output: Contribution to journalArticle

196 Scopus citations

Abstract

(Matrix presented) Host-guest interactions between cucurbit[7]uril (CB7) and a series of dialkyl-4,4′-bipyridimum (viologen) dicationic guests were investigated by NMR spectroscopy. CB7 includes the aromatic nucleus of short chain viologens, but the mode of interaction is different with longer chain viologens due to the favorable hydrophobic interactions between the terminal alkyl substituents and the inner cavity of the host. A new pseudorotaxane was designed and synthesized on the basis of viologen-CB7 binding interactions.

Original languageEnglish (US)
Pages (from-to)185-188
Number of pages4
JournalOrganic letters
Volume6
Issue number2
DOIs
StatePublished - Jan 22 2004

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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