Hydrochloric Acid → HCID 178515568, compound

Participants

Reaction Steps

A mixture of 4-oxo-6-phenyl-4H-pyran-2-carbonitrile (1.10 g), sodium azide (0.45 g) and ammonium chloride (0.37 g) in dry dimethylformamide (10 ml) was stirred at room temperature for 2 hours. A precipitate formed. Dilute hydrochloric acid (1 M, 20 ml) was added and the resulting white solid was filtered off. Recrystallisation from acetic acid yielded the title product as white crystals (251°-254° C. with decomposition).

Provenance & Evidence