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Nuclear Magnetic Resonance Spectroscopy. Magnetic Nonequivalence Due to Slow Inversion in Amines

Griffith, Dean L. and Roberts, John D. (1965) Nuclear Magnetic Resonance Spectroscopy. Magnetic Nonequivalence Due to Slow Inversion in Amines. Journal of the American Chemical Society, 87 (18). pp. 4089-4092. ISSN 0002-7863. https://resolver.caltech.edu/CaltechAUTHORS:20151015-104929440

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Abstract

Investigation of the low-temperature n.m.r. spectrum of N-benzyl-O,N-dimethylhydroxylamine has permitted a determination of the rate and activation energy for nitrogen inversion. The energy barrier to inversion has been found to be inversely proportional to the solvent dielectric constant in four rather nonpolar solvents. In n-hexane, E_ɑ was found to be 12.9 ± 0.3 kcal. while in methylene chloride a value of 9.4 ± 0.4 kcal. was obtained.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/ja01096a014DOIArticle
http://pubs.acs.org/doi/abs/10.1021/ja01096a014PublisherArticle
Additional Information:© 1965 American Chemical Society. Received May 20, 1965. Supported in part by the National Science Foundation. National Science Foundation Postdoctoral Fellow, 1964-1965.
Funders:
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NSFUNSPECIFIED
NSF Postdoctoral FellowshipUNSPECIFIED
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Caltech Gates and Crellin Laboratories of Chemistry3250
Issue or Number:18
Record Number:CaltechAUTHORS:20151015-104929440
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20151015-104929440
Official Citation:Nuclear Magnetic Resonance Spectroscopy. Magnetic Nonequivalence Due to Slow Inversion in Amines Dean L. Griffith and John D. Roberts Journal of the American Chemical Society 1965 87 (18), 4089-4092 DOI: 10.1021/ja01096a014
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61168
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:16 Oct 2015 17:11
Last Modified:03 Oct 2019 09:05

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