反应详情

To tert-butyl 3-(pyridin-4-yl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylate (3 g, 10 mmol) in a round-bottom flask was added HCl in dioxane (4 N, 8 ml) and the reaction was stirred at room temperature for overnight. After removal of the solvent, ethyl ether was added and the desired product was obtained by filtration as a light yellow solid (2.2 g). LC-MS found 201 (M+H)

1. customAfter removal of the solvent, ethyl ether
2. additionwas added