HCID 20373050, compound → HCID 20373036, compound

Participants

Reaction Steps

33.5 g of 8-nitro-6-phenyl-1H-s-triazolo[4,3-a] [1,5]-benzodiazepine-1,5-dione in 100 ml of ethanol containing 2.0 g of 10% palladium-on-charcoal is hydrogenated at room temperature at an initial hydrogen pressure of 50 p.s.i. The reaction is stopped when 0.3 moles of hydrogen has been absorbed; the suspension is filtered and the filtrate evaporated to give the title compound.

Provenance & Evidence