反应详情

4M Hydrogen chloride in dioxane (10 ml) was added to a solution of 3-[2-(t-butoxycarbonylamino)ethoxy]isoxazole (Method 79; 500 mg, 2.2 mmol) in dioxane (10 ml) and the mixture was stirred at ambient temperature for 3 days. The resulting solid was collected by filtration, washed with ether and dried to give the title compound (298 mg, 83%) as a white solid NMR 3.20 (m, 2H), 4.39 (t, 2H), 6.13 (s, 1H), 8.30 (s, 3H), 8.69 (s, 1H); m/z 129.

1. filtrationThe resulting solid was collected by filtration
2. washwashed with ether
3. customdried