4-Pyrimidone
Names
Preferred IUPAC name
1H-Pyrimidin-6-one
Other names
Hydroxypyrimidine; Pyrimidinone
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • O=C1NC=NC=C1
Properties
C4H4N2O
Molar mass 96.089 g·mol−1
Appearance White to light yellow powder
Melting point 163 to 168 °C (325 to 334 °F; 436 to 441 K)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Respiratory system, eye, skin irritation
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Pyrimidone is the name given to either of two heterocyclic compounds with the formula C4H4N2O: 2-pyrimidone and 4-pyrimidone. The compounds can also be called 2-hydroxypyrimidine or 4-hydroxypyrimidine respectively, based on a substituted pyrimidine, or 1,3-diazine, ring.

Derivatives

Derivatives of pyrimidone are the basis of many other biological molecules, including:

  • Antiulcer drugs including temelastine, icotidine, donetidine, and lupitidine.
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