Purine

Purines include two of the bases in DNA and RNA.

Purine
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File:Purine-3D-spacefill.png
IUPAC name	9H-purine
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

A purine is a heterocyclic aromatic organic compound. It is a pyrimidine ring fused to an imidazole ring. Purines are the most widely occurring nitrogen-containing heterocycles in nature.

Purines and pyrimidines are the two groups of nitrogenous bases, and the two groups of nucleotide bases.

Purines

• Adenine
• Guanine
• Hypoxanthine
• Xanthine

Purine Media

• Purines.svg

  kinds of purine

• FischerPurineSynthesis-crop.svg

  Conversion of uric acid (left) to purine (right) via 2,6,8-trichloropurine and 2,6-diiodopurine intermediates

• Purinesynthesis-en (cropped).svg

  Purinesynthesis-en (cropped)

• Synthesis of purines and their derivatives from HCN. Drawn using program chemdraw.

• Traube Purine Synthesis