Crowley, J.D., Leigh, D.A., Lusby, P.J., McBurney, R.T., Perret-Aebi, L., Petzold, C., Slawin, A.M.Z. and Symes, M.D. (2007) A switchable palladium-complexed molecular shuttle and its metastable positional isomers. Journal of the American Chemical Society, 129(48), pp. 15085-15090. (doi: 10.1021/ja076570h)
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Abstract
We report the design, synthesis, characterization, and operation of a [2]rotaxane in which a palladium-complexed macrocycle can be translocated between 4-dimethylaminopyridine and pyridine monodentate ligand sites via reversible protonation, the metal remaining coordinated to the macrocycle throughout. The substitution pattern of the ligands and the kinetic stability of the Pd-N bond means that changing the chemical state of the thread does not automatically cause a change in the macrocycle's position in the absence of an additional input (heat and/or coordinating solvent/anion). Accordingly, under ambient conditions any of the four sets of protonated and neutral, stable, and metastable co-conformers of the [2]rotaxane can be selected, manipulated, isolated, and characterized.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Symes, Professor Mark |
| Authors: | Crowley, J.D., Leigh, D.A., Lusby, P.J., McBurney, R.T., Perret-Aebi, L., Petzold, C., Slawin, A.M.Z., and Symes, M.D. |
| Subjects: | Q Science > QD Chemistry |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Journal of the American Chemical Society |
| ISSN: | 0002-7863 |
| Related URLs: |
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