Abstract
Abstract N,N -bis(2-hydroxyethyl)acetamide shows restricted rotation about the amide bond in both 1 H and 13 C NMR spectra rendering the two hydroxyethyl groups non-equivalent. A variable temperature study in CD 3 SOCD 3 allowed estimation of the free energy barrier to rotation as 75.6 ± 0.2 kJ mol −1 . Previously published data in CDCl 3 appears to be erroneous.
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