HCID 58577747, compound → 4-(2,3-dihydro-1H-imidazo[2',1':2,3]imidazo[4,5-b]pyridin-1-yl)aniline

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Reaction Steps

A mixture of 1-(4-nitrophenyl)-2,3-dihydro-1H-imidazo[2′,1′:2,3]imidazo[4,5-b]pyridine (1.7 g) and 10% palladium on carbon (50% wet, 1.0 g) in MeOH (150 mL) was hydrogenated under balloon pressure at room temperature for 1 day. The catalyst was removed by filtration and the filtrate was concentrated under reduced pressure to give the title compound (1.2 g).

Provenance & Evidence