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