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Variable temperature 1H and 13C NMR study of restricted rotation in N,N-bis(2-hydroxyethyl)acetamide

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Aitken_2016_JMS_Variable_AAM.pdf (316.8Kb)
Date
05/06/2016
Author
Aitken, R Alan
Smith, Melanja H
Wilson, Heather S
Keywords
Variable temperature NMR
Restricted rotation
Amide bond
QD Chemistry
NDAS
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Abstract
N,N-bis(2-hydroxyethyl)acetamide shows restricted rotation about the amide bond in both 1H and 13C NMR spectra rendering the two hydroxyethyl groups non-equivalent. A variable temperature study in CD3SOCD3 allowed estimation of the free energy barrier to rotation as 75.6 ± 0.2 kJ mol–1. Previously published data in CDCl3 appears to be erroneous.
Citation
Aitken , R A , Smith , M H & Wilson , H S 2016 , ' Variable temperature 1 H and 13 C NMR study of restricted rotation in N,N -bis(2-hydroxyethyl)acetamide ' , Journal of Molecular Structure , vol. 1113 , pp. 171-173 . https://doi.org/10.1016/j.molstruc.2016.02.030
Publication
Journal of Molecular Structure
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.molstruc.2016.02.030
ISSN
0022-2860
Type
Journal article
Rights
Copyright © 2016 Elsevier B.V. All rights reserved. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at: https://dx.doi.org/10.1016/j.molstruc.2016.02.030
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  • University of St Andrews Research
URL
http://www.sciencedirect.com/science/article/pii/S0022286016301247#appd001
URI
http://hdl.handle.net/10023/10461

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