Sodium Hydroxide → HCID 178456480, compound

Participants

Reaction Steps

3-Acetylamino-7-benzyl-5-propylpyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione (18 g) was refluxed for 5 hours in 80% ethanol (200 ml) dissolving sodium hydroxide (6 g). The reaction mixture was concentrated, and the resulting crystals were suspended in water. To the suspension was added 6N-HCl to obtain colorless crystals (11 g, 70%), m.p. 214°-215° C.

Provenance & Evidence