Phosphorus sulfide (P2S5) → HCID 20291435, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 8-bromo-6-phenyl-imidazo[1,5-d]-as-triazin-4(3H)-one (5 gm.) in pyridine (100 ml.) is added phosphorus pentasulfide (5 gm.). The mixture is heated at 100° C. for 6 hours, cooled, and the product isolated by filtration and then washed with dilute hydrochloric acid.

Provenance & Evidence