2-Methyl-4-oxo-6,7,8,9-tetrahydro­thieno[2′,3′:4,5]pyrimidino­[1,2-a]pyridine-3-carboxylic acid
2011

Crystal Structure of a New Thieno[2',3':4,5]Pyrimidine Compound

publication Evidence: moderate

Author Information

Author(s): Burkhon Zh. Elmuradov, Khurshed A. Bozorov, Rasul Ya. Okmanov, Bakhodir Tashkhodjaev, Khusnutdin M. Shakhidoyatov

Primary Institution: S.Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan

Hypothesis

The study investigates the synthesis and crystal structure of a new thieno[2',3':4,5]pyrimidine compound.

Conclusion

The compound features two independent molecules in the asymmetric unit and exhibits specific hydrogen bonding interactions.

Supporting Evidence

  • The study presents the synthesis of a new thieno[2',3':4,5]pyrimidine compound.
  • Two independent molecules were identified in the crystal structure.
  • Hydrogen bonding interactions were observed in the structure.

Takeaway

Scientists made a new chemical compound and looked at its structure using X-ray analysis to understand how it is built.

Methodology

The compound was synthesized using a reaction of 2,3-dimethylthieno[2',3':4,5]pyrimidino[1,2-a]pyridin-4-one with nitric acid in concentrated sulfuric acid, followed by X-ray crystallography for structural analysis.

Digital Object Identifier (DOI)

10.1107/S1600536811007902

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