Molecular motion of donor-acceptor catenanes in water

Fabien B. L. Cougnon, Nandhini Ponnuswamy, G. Dan Pantos, Jeremy K M Sanders

Research output: Contribution to journalArticlepeer-review

16 Citations (SciVal)


In this article, we use 1H NMR spectroscopy to study the spontaneous molecular motion of donor-acceptor [2]catenanes in water. Our data supports the hypothesis that conformational motion dominantly occurs through a pirouetting mechanism, which involves less exposure of hydrophobic surfaces than in a rotation mechanism. Motion is controlled by the size of the catenane rings and the arrangement of the electron-deficient and electron-rich aromatic units.

Original languageEnglish
Pages (from-to)2927-2930
Number of pages4
JournalOrganic and Biomolecular Chemistry
Issue number10
Early online date5 Jan 2015
Publication statusPublished - 14 Mar 2015


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