1H and 13C NMR analysis of 2-acetamido-3-mercapto-3-methyl-N-aryl-butanamides and 2-acetamido-3-methyl-3-nitrososulfanyl-N-aryl-butanamide derivatives.

The complete assignment of the (1)H and (13)C NMR spectra of various 2-acetamido-3-mercapto-3-methyl-N-aryl-butanamides and 2-acetamide-3-methyl-3-nitrososulfanyl-N-aryl-butanamides with p-methoxy, o-chloro and m-chloro substituents is reported.