Adelaide Research & Scholarship
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https://hdl.handle.net/2440/17920
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| Type: | Journal article |
| Title: | Installation of a ratchet tooth and pawl to restrict rotation in a cyclodextrin rotaxane |
| Author: | Onagi, H. Blake, C. Easton, C. Lincoln, S. |
| Citation: | Chemistry: A European Journal, 2003; 9(24):5978-5988 |
| Publisher: | Wiley-V C H Verlag GMBH |
| Issue Date: | 2003 |
| ISSN: | 0947-6539 1521-3765 |
| Statement of Responsibility: | Hideki Onagi, Christopher J. Blake, Christopher J. Easton, Stephen F. Lincoln |
| Abstract: | Eight new [2]rotaxanes have been prepared, incorporating an -cyclodextrin as the rotor, a stilbene as the axle, and trinitrophenyl substituents as capping groups. Strategies have been devised to elaborate these by linking the rotor to the axle, to produce two new [1]rotaxanes. Rotational motion in a selection of these rotaxanes has been investigated through the application of two-dimensional NMR spectroscopy by performing TOCSY, DQF-COSY, ROESY and HMQC experiments. This has shown that a methoxyl group incorporated on the stilbene and a succinamide joining the stilbene and the cyclodextrin behave analogously to a ratchet tooth and pawl, respectively, to restrict rotation. |
| Keywords: | Cyclodextrins molecular devices molecular dynamics NMR spectroscopy rotaxanes |
| Description: | The definitive version may be found at www.wiley.com |
| DOI: | 10.1002/chem.200305280 |
| Published version: | http://www3.interscience.wiley.com/cgi-bin/abstract/106571055/ABSTRACT |
| Appears in Collections: | Aurora harvest 2 Chemistry publications Environment Institute publications |
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