Molecular Trains: The Self‐Assembly and Dynamic Properties of Two New Catenaries

Peter R. Ashton, Christopher L. Brown, Ewan J T Chrystal, Keith P. Parry, Marek Pietraszkiewicz, Neil Spencer, J. Fraser Stoddart*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

48 Scopus citations


The tetracationic cyclophane (the “train”) travels at high speed around the polyether macrocycle (the “track”) of the [2]catenane 1. The synthesis of the polyether macrocycle in a total yield of > 60% made possible the formation of 1 and of the analogous [3]catenane, in which the two smaller members of the chain are present on diametrically opposite hydroquinone rings according to the 1H NMR spectrum. All that remains to be done is to introduce signals to direct the train. (Figure Presented.)

Original languageEnglish (US)
Pages (from-to)1042-1045
Number of pages4
JournalAngewandte Chemie International Edition in English
Issue number8
StatePublished - Aug 1991

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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