What is "pyrimidinedione"

n. (context chemistry English) Any of a class of chemical compounds characterized by a pyrimidine ring substituted with two carbonyl groups.

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

Uracil.svg

Pyrimidine biosynthesis

Thymine

5-Methylpyrimidine-2,4(1H,3H)-dione

Thymine chemical structure.png

Pyrimidine biosynthesis

5,6-Diaminopyrimidine-2,4(1H,3H)-dione

Riboflavin biosynthesis

and drugs:

• Fluorouracil
• Idoxuridine
• Primidone
• Trifluridine