Crystal structure of γ-methyl L-glutamate N-carboxy anhydride

Hitoshi Kanazawa, Aya Inada, Aya Sakon, Hidehiro Uekusa, H. Ishida

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In the title compound, C7H9NO5, alternative name N-carboxy-L-glutamic anhydride γ-methyl ester, the oxazolidine ring is essentially planar with a maximum deviation of 0.020 (3) Å. In the crystal, molecules 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 interactions 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.

Original languageEnglish
Pages (from-to)48-50
Number of pages3
JournalActa Crystallographica Section E: Structure Reports Online
Volume71
Issue number1
DOIs
Publication statusPublished - Jan 1 2015

Keywords

  • Amino acid N-carboxy anhydrides
  • Crystal structure
  • Hydrogen bonding
  • Polymerization

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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