rac-Ethyl (2Z)-3-{2-[(Z)-4-eth­oxy-4-oxobut-2-en-2-yl­amino]­cyclo­hexyl­amino}­but-2-enoate
2011

Crystal Structure of a New β-Enaminoester

publication Evidence: moderate

Author Information

Author(s): Harrad Mohamed Anoir, Boualy Brahim, Ali Mustapha Ait, Firdoussi Larbi El, Rizzoli Corrado

Primary Institution: Universitá degli Studi di Parma

Hypothesis

The study aims to describe the crystal structure of a new β-enaminoester synthesized from trans-cyclohexane-1,2-diamine and 3-oxo-butyric acid ethyl ester.

Conclusion

The crystal structure reveals two independent molecules with specific conformations stabilized by hydrogen bonds.

Supporting Evidence

  • The asymmetric unit contains two independent molecules.
  • The cyclohexane ring adopts a chair conformation.
  • Intramolecular hydrogen bonds stabilize the conformation.
  • Disordered ethoxy and ethyl groups were observed in the structure.

Takeaway

The researchers made a new compound and looked at its structure using special X-ray techniques to see how its atoms are arranged.

Methodology

The compound was synthesized through the dicondensation of trans-cyclohexane-1,2-diamine with 3-oxo-butyric acid ethyl ester under solvent-free conditions, followed by X-ray crystallography for structural analysis.

Digital Object Identifier (DOI)

10.1107/S1600536811015248

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication