Pyrimidinedione Explained

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 StructurePathway
UracilPyrimidine-2,4(1H,3H)-dionePyrimidine biosynthesis
Thymine5-Methylpyrimidine-2,4(1H,3H)-dionePyrimidine biosynthesis
5,6-Diaminopyrimidine-2,4(1H,3H)-dioneRiboflavin biosynthesis
drugs:

and pesticides: