Pyrimidinediones are a class of chemical compounds characterized by a pyrimidine ring substituted with two carbonyl groups.
Examples include naturally occurring metabolites:
| Trivial name | IUPAC name | Structure | Pathway |
|---|---|---|---|
| Uracil | Pyrimidine-2,4(1H,3H)-dione |  | Pyrimidine biosynthesis |
| Thymine | 5-Methylpyrimidine-2,4(1H,3H)-dione |  | Pyrimidine biosynthesis |
| 5,6-Diaminopyrimidine-2,4(1H,3H)-dione | Riboflavin biosynthesis |
drugs:
and pesticides:
