HCID 20329298, compound → HCID 20329311, compound

Participants

Reaction Steps

33.5 g of 1-methyl-8-nitro-6-phenyl-4H-s-triazolo[4,3-a][1,5]benzodiazepin-5-one in 100 ml of ethanol containing 2.0 g of Raney nickel 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