反应详情

To 2 mL of an ethyl acetate solution containing 95.0 mg of 1-(2-(4-((2,3-dihydro-1,4-dioxino[2,3-b]pyridin-6-yl)methylamino)piperidin-1-yl)ethyl)-7-methoxyquinoxalin-2(1H)-one, 1 mL of 4 mol/L hydrogen chloride/ethyl acetate was added, and stirred at room temperature. The resulting solid was filtered to give 104 mg of 1-(2-(4-((2,3-dihydro-1,4-dioxino[2,3-b]pyridin-6-yl)methylamino)piperidin-1-yl)ethyl)-7-methoxyquinoxalin-2(1H)-one hydrochloride as a yellow powder.

1. additionwas added
2. filtrationThe resulting solid was filtered