Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of the Faculty of Agriculture, Hokkaido University called Infrared and mass spectra of α-amino acid amides, Author is Kasai, Takanori; Furukawa, Katsuhisa; Sakamura, Sadao, which mentions a compound: 10466-61-2, SMILESS is N[C@@H](CC(C)C)C(N)=O.[H]Cl, Molecular C6H15ClN2O, Application In Synthesis of H-Leu-NH2.HCl.
α-Amino acid amide hydrochlorides were prepared from the corresponding L-amino acids according to the procedure of J. P. Greenstein and M. Winitz (1961). O-Methyltyrosinamide-HCl was prepared from O-methyltyrosine derived after reaction of N-acetyl-L-tyrosine with dimethylsulfate, followed by hydrolysis. IR spectra were determined on KBr disks. In the IR studies, the carbonyl stretching vibration (amide I) of all α-amino acid amide hydrochlorides except tyrosinamide-HCl and α-aminoisobutyric acid amide-HCl were in the normal range (1680 ∼1670 cm-1). In the mass spectra, the M+ ion was observed only for methioninamide-HCl, and a very weak M+ + 1 ion was seen for all compounds except aspartic acid diamide.
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