反应详情

2-Oxo-1-(1-benzylpiperidin-4-yl)-2,3-dihydro-1H-imidazo[4,5-b]pyrazine (1.7 g, 5.5 mmol) was dissolved in methanol (100 mL) and hydrogenated over 20% palladium on carbon (0.5 g) at 55 psi hydrogen overnight. The catalyst was filtered and solvent evaporated to give the title compound (1.5 g).

1. filtrationThe catalyst was filtered
2. customsolvent evaporated