6-Amino-1,3-dimethyl-5-[(E)-2-(methyl­sulfan­yl)benzyl­idene­amino]­pyrimidine-2,4(1H,3H)-dione
2011

Crystal Structure of a Schiff Base Compound

publication Evidence: moderate

Author Information

Author(s): Booysen Irvin, Muhammed Ismail, Soares Anna, Gerber Thomas, Hosten Eric, Betz Richard

Primary Institution: University of Kwazulu-Natal

Hypothesis

The study aims to determine the crystal structure of a Schiff base derivative of 2-(methyl­sulfan­yl)benzaldehyde.

Conclusion

The crystal structure reveals the compound's planar configuration and the presence of hydrogen bonds linking molecules.

Supporting Evidence

  • The compound is a Schiff base featuring an ortho-(thiomethyl)phenyl moiety.
  • The configuration about the C=N double bond is E.
  • An intra­molecular N—H⋯S hydrogen bond is observed.
  • N—H⋯O and C—H⋯O hydrogen bonds link molecules into layers.

Takeaway

The researchers looked at a special type of chemical compound and found out how its atoms are arranged in a solid form.

Methodology

The compound was synthesized by refluxing equimolar amounts of ortho-(thiomethyl)-benzaldehyde and 5,6-diamino-1,3-dimethylpyrimidine-2,4(1H,3H)-dione in anhydrous methanol.

Digital Object Identifier (DOI)

10.1107/S1600536811020903

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