Crystal structure of γ-methyl l-glutamate N-carb-oxy anhydride

In the title compound, C7H9NO5, alternative name N-carb-oxy-l-glutamic anhydride γ-methyl ester, the oxazolidine ring is essentially planar with a maximum deviation of 0.020 (3) Å. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds between the imino group and the carbonyl O atom in the me...

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Published in:Acta crystallographica. Section E, Crystallographic communications Crystallographic communications, 2015-01, Vol.71 (Pt 1), p.48-50
Main Authors: Kanazawa, Hitoshi, Inada, Aya, Sakon, Aya, Uekusa, Hidehiro
Format: Article
Language:English
Subjects:
Research Communications
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Summary:In the title compound, C7H9NO5, alternative name N-carb-oxy-l-glutamic anhydride γ-methyl ester, the oxazolidine ring is essentially planar with a maximum deviation of 0.020 (3) Å. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds between the imino group and the carbonyl O atom in the methyl ester group, forming a tape structure along the a-axis direction. The tapes are linked by C-H⋯O inter-actions into a sheet parallel to the ac plane. The tapes are also stacked along the b axis with short contacts between the oxazolidine rings [C⋯O contact distances = 2.808 (4)-3.060 (4) Å], so that the oxazolidine rings are arranged in a layer parallel to the ab plane. This arrangement of the oxazolidine rings is very preferable for the polymerization of the title compound in the solid state.
ISSN:2056-9890
2056-9890
DOI:10.1107/S2056989014026917