Acetic Anhydride → HCID 68117748, compound

Participants

Reaction Steps

2.91 g of 8-amino-6-phenyl-1H-s-triazolo[4,3-a] [1,5]-benzodiazepine-1,5-dione and 1.02 g of acetic anhydride in 50 ml pyridine is stirred for 12 hours then refluxed for 30 minutes. The reaction is evaporated; the residue is taken up in chloroform, washed with dilute aqueous sodium bicarbonate, with water and dried. The solvent is evaporated to give the title compound.

Provenance & Evidence