
TY  - JOUR
A1  - Rae, ID 
T1  - Aromatic amides. X. Anisotropic shielding by protonated amide and thioamide groups
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1974
VL  - 27
IS  - 12
SP  - 2621
EP  - 2625
KW  - 
UR  - https://doi.org/10.1071/CH9742621 
N2  - 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. 
ER  -

