Abstract By a new thiation reagent, 1, 4, 11 the dimer of p-methoxyphenylthionophosphine sulfide, 3, a series of thioamides have been prepared in almost quantitative yields from the corresponding amides, Carbon-13 NMR spectra of tertiary thioamides of formic, acetic, trifluoroacetic, propionic and butyric acids have been completely assigned with the aid of extensive double resonance and shift reagent experiments and the data obtained have ...
