Noe, Eric A. and Roberts, John D. (1971) Nuclear Magnetic Resonance Spectroscopy. Ring Inversion in y,y-Difluoro-є-caprolactone and y,y-Difluoro-є-caprolactam. Journal of the American Chemical Society, 93 (26). pp. 7261-7265. ISSN 0002-7863. doi:10.1021/ja00755a023. https://resolver.caltech.edu/CaltechAUTHORS:20151012-133435797
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Abstract
Fluorine magnetic resonance spectroscopy has been used to determine the rates of ring inversion of y,y-difluoro-є-caprolactone and y,y-difluoro-є-waprolactam. Free energies of activation of 10.0 and 10.4 kcal/mol at - 53º were found for the lactone and lactam, respectively. The nmr spectra for both compounds were best interpreted in terms of the chair conformation.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1971 American Chemical Society. Received April 28, 1971. Supported by the National Science Foundation. National Science Foundation Summer Fellow, 1966 and 1968; National Defense Education Act Trainee, 1968-1969. | |||||||||
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| Issue or Number: | 26 | |||||||||
| DOI: | 10.1021/ja00755a023 | |||||||||
| Record Number: | CaltechAUTHORS:20151012-133435797 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151012-133435797 | |||||||||
| Official Citation: | Nuclear magnetic resonance spectroscopy. Ring inversion in .gamma.,.gamma.-difluoro-.epsilon.-caprolactone and .gamma.,.gamma.-difluoro-.epsilon.-caprolactam Eric A. Noe and John D. Roberts Journal of the American Chemical Society 1971 93 (26), 7261-7265 DOI: 10.1021/ja00755a023 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 60983 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 15 Oct 2015 04:18 | |||||||||
| Last Modified: | 10 Nov 2021 22:42 |
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