Journal article

Aromatic amides: X. Anisotropic shielding by protonated amide and thioamide groups

ID Rae

Australian Journal of Chemistry | Published : 1974

Abstract

N.m.r. spectra have been recorded for solutions of N-aryl amides and thioamides in trifluoroacetic acid. Anisotropic deshielding by >C=O and >C=S is sharply reduced when these groups become protonated and in a number of cases upfield shifts are recorded for nearby protons. © 1974, CSIRO. All rights reserved.

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