preparation | will 3-[(2,2, the mixture of 2-trifluoroethanoamino)-methyl]-morpholin-4-carboxylic acid tert-butyl ester (1.7g) and potassium carbonate (3.77g) in methanol (80ml) and water (27ml) was stirred at ambient temperature for 4 hours, and then heated at 50°C for 2 hours. The reaction mixture was concentrated to remove methanol, diluted with water and extracted with ethyl acetate (x3) and dichloromethane (x4). The combined extract was dried and evaporated to obtain the title product 3-aminomethylmorpholin-4-tert-butyl carbonate (0.97g), which was a yellow jelly. |