SCHEDULED MAINTENANCE
A strategy for the construction of a [2]rotaxane—comprised of a dumbbell-shaped component containing two π-electron-deficient 4,4′-bipyridinium units encircled by one π-electron-rich bisparaphenylene-34-crown-10 macrocycle—by a constitutionally determined self-assembly process is described.
P. R. Ashton, D. Philp, N. Spencer and J. F. Stoddart, J. Chem. Soc., Chem. Commun., 1992, 1124 DOI: 10.1039/C39920001124
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