Bis[8-ethyl-5-oxo-2-(piperazin-4-ium-1-yl)-5,8-dihydro­pyrido[2,3-d]pyrimidine-6-carb­oxy­lic acid] 2,5-dicarb­oxy­benzene-1,4-di­carboxyl­ate octa­hydrate
2011

Structure of a New Quinolone Compound

publication Evidence: high

Author Information

Author(s): Zhang Guang-Ju, He Jiang-Hong, Yan Shi-Wei, Ye Zhong-Li, Xin Guang-Hua

Primary Institution: College of Chemistry and Chemical Engineering, Southwest University, Chongqing, People’s Republic of China

Conclusion

The study describes the crystal structure of a new quinolone compound, revealing its three-dimensional supramolecular structure.

Supporting Evidence

  • The asymmetric unit contains one cation and one half of an anion, completed by inversion symmetry.
  • Molecules are linked by hydrogen bonds and π–π stacking interactions.
  • The crystal structure was determined using X-ray diffraction techniques.

Takeaway

Scientists figured out how a new medicine is built at a tiny level, showing how its parts fit together like a puzzle.

Methodology

The compound was synthesized using a hydrothermal method and characterized using X-ray crystallography.

Digital Object Identifier (DOI)

10.1107/S1600536811011068

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