Lack, Ruth E. and Ganter, Camille and Roberts, John D. (1968) Nuclear Magnetic Resonance Spectroscopy. Conformational Equilibria and Equilibration of 4,4-Difluorocyclohexanone and 6,6-Difluoro-cis-decal-2-ones. Journal of the American Chemical Society, 90 (25). pp. 7001-7007. ISSN 0002-7863. doi:10.1021/ja01027a020. https://resolver.caltech.edu/CaltechAUTHORS:20151013-145415018
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Abstract
The rates of ring inversion and conformational equilibration of 6,6-difluoro-cis-decal-2-one and 10-methyl-6,6-difluoro-cis-decal-2-one have been determined using fluorine magnetic resonance spectroscopy. The activation energies were found to be 11.3 ± 0.3 and 9.5 ± 0.1 kcal/mol, respectively. 4,4-Difluorocyclohexanone, however, appears to exchange its fluorines between conformationally nonequivalent sites rapidly on the nmr time scale even at -180º.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1968 American Chemical Society. Received April 24, 1968. Supported in part by the National Science Foundation. | |||||||||
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| Issue or Number: | 25 | |||||||||
| DOI: | 10.1021/ja01027a020 | |||||||||
| Record Number: | CaltechAUTHORS:20151013-145415018 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151013-145415018 | |||||||||
| Official Citation: | Nuclear magnetic resonance spectroscopy. Conformational equilibria and equilibration of 4,4-difluorocyclohexanone and 6,6-difluoro-cis-decal-2-ones Ruth E. Lack, Camille Ganter, and John D. Roberts Journal of the American Chemical Society 1968 90 (25), 7001-7007 DOI: 10.1021/ja01027a020 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 61082 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 14 Oct 2015 19:36 | |||||||||
| Last Modified: | 10 Nov 2021 22:44 |
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