HCID 67236651, compound → HCID 67245777, compound

Participants

Reaction Steps

A suspension of benzyl 5,5-dimethyl-1-oxo-2,3,4,5-tetrahydro-1H-[1,4]diazepino[1,2-a]benzimidazole-8-carboxylate (88 mg, 0.22 mmol) in methanol (2 mL) is hydrogenated over 10% palladium on carbon (23 mg) under balloon pressure for 3 h. The catalyst is removed by filtration, and the filtrate concentrated to afford the title compound (38 mg, 63%).

Provenance & Evidence