Propionyl chloride → HCID 13156310, compound

Participants

Reaction Steps

A mixture of 4.0 g (0.023 mole) of 4,5-dihydro-s-triazolo[3,4-c]benzo-as-triazine, 2.2 g (0.023 mole) of propionyl chloride and 50 ml of benzene is refluxed under nitrogen atmosphere. The reaction mixture is cooled and the separated product is filtered off. The title compound, melting at 244° C., is obtained with a yield of 70%. The product does not show melting point depression in admixture with the compound prepared according to Example 4.

Provenance & Evidence