Binding selectivity of cucurbit[7]uril: Bis(pyridinium)-1,4-xylylene versus 4,4′-bipyridinium guest sites

Vladimir Sindelar; Kwangyul Moon; Angel E. Kaifer

doi:10.1021/ol049140u

Binding selectivity of cucurbit[7]uril: Bis(pyridinium)-1,4-xylylene versus 4,4′-bipyridinium guest sites

Vladimir Sindelar, Kwangyul Moon, Angel E. Kaifer

Chemistry

Research output: Contribution to journal › Article › peer-review

102 Scopus citations

Abstract

The binding interactions between the host cucurbit[7]uril (CB7) and a series of linear guests containing bis(pyridinium)-1,4-xylylene and/or 4,4′-bipyridinium residues were investigated by ¹H NMR spectroscopy. CB7 was found to exhibit considerable binding selectivity for bis-(pyridinium)-1,4-xylylene over 4,4′-bipyridinium sites. New pseudo-rotaxane and rotaxane compounds were synthesized utilizing the host-guest interactions between CB7 and the surveyed guests.

Original language	English (US)
Pages (from-to)	2665-2668
Number of pages	4
Journal	Organic letters
Volume	6
Issue number	16
DOIs	https://doi.org/10.1021/ol049140u
State	Published - Aug 5 2004

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry

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abstract = "The binding interactions between the host cucurbit[7]uril (CB7) and a series of linear guests containing bis(pyridinium)-1,4-xylylene and/or 4,4′-bipyridinium residues were investigated by 1H NMR spectroscopy. CB7 was found to exhibit considerable binding selectivity for bis-(pyridinium)-1,4-xylylene over 4,4′-bipyridinium sites. New pseudo-rotaxane and rotaxane compounds were synthesized utilizing the host-guest interactions between CB7 and the surveyed guests.",

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AU - Kaifer, Angel E.

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