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Synthesis and characterization of new 2-(alkylamino) acetamides

Seven new 2-(alkylamino)acetamides have been synthesized and characterized by 1 H, 13 C NMR, NOESY experiments, infrared and mass spectrometry. The structure of 2(diphenylmethylamino)acetamide 3b was further established by a single crystal x-ray diffraction study. The NMR study of the transformation of several 2-(alkylamino)acetamides to their corresponding morpholin-2-ones shows that these species are thermodynamically favored through preferred conformations as determined by theoretical calculations of 3h.