Acta Cryst. (2006). E62, o1390-o1392  [ doi:10.1107/S1600536806008440 ]

L-Methioninamide ester amide of squaric acid diethyl ester

T. Kolev, E. Cherneva, M. Spiteller, W. S. Sheldrick and H. Mayer-Figge

Abstract: Molecules of the title compound, 2-(2-ethoxy-3,4-dioxocyclobutenylamino)-2-[2-(methylsulfanyl)ethyl]acetamide, C₁₁H₁₆N₂O₄S, are connected into chains in the [010] direction by intermolecular N-HO hydrogen bonds involving the L-methioninamide N atoms and its carbonyl O atom.

Online 15 March 2006

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