反应详情

4N Hydrogen chloride dioxane solution (0.04 mL) was added to the dioxane solution (1 mL) of the obtained amine (4) (47 mg, 0.11 mmol), and the mixture was freeze-dried, to give hydrochloric acid salt of the amine (4) as white solid (27 mg, yield: 55%).

1. customthe mixture was freeze-dried