1,1'-Carbonyldiimidazole → 7H-Purin-8-ol

Participants

Reaction Conditions

Reaction Steps

Pyrimidine-4,5-diamine (1.1 g, 10 mmol) and 1,1′-carbonyl diimidazole 1.78 g, 1.1 mmol) were added to dioxane (15 mL) and the reaction mixture was stirred at 90° C. for 48 hours. The mixture was cooled and the precipitate was recovered by filtration, rinsed with cold dioxane, and dried to give 850 mg (61%) of 7,9-dihydro-purin-8-one.

Provenance & Evidence