HCID 12568864, compound → HCID 12568866, compound

Participants

Reaction Steps

A mixture of 5.72 g. of 1,2,3,4,4a,5-hexahydro-9-nitropyrido[1',2':4,5][1,4]oxazino[2,3-b]quinoxaline, 200 ml. of dioxane and 1.5 g. of palladium on carbon catalyst is shaken in a Parr hydrogenator under 45 lb. of hydrogen pressure until reduction is complete. The mixture is filtered and the filtrate concentrated to a residue. The residue is recrystallized from ethanol to give the desired product, m.p. 229°-232° C.

Provenance & Evidence