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J. Chem. Soc., Chem. Commun., 1991, 1680 - 1683, DOI: 10.1039/C39910001680
The self-assembly of complexes with [2]pseudorotaxane superstructures
Peter R. Ashton, Douglas Philp, Mark V. Reddington, Alexandra M. Z. Slawin, Neil Spencer, J. Fraser Stoddart and David J. Williams
The application of X-ray crystallography, mass spectrometry, and NMR and UV–VIS spectroscopy has revealed that bis-p-phenylene-34-crown-10 1 forms strong 1 : 1 complexes with the 4,4
-bipyridinium dication 32+ and two of its derivatives, namely, the dications 42+ and 52+ in which the substituents on the bipyridine nitrogen atoms are, respectively, 2-hydroxyethyl and 2-(2-hydroxyethoxy)ethyl groups.
