Pyridine → tert-Butyl 3-carbamoylmorpholine-4-carboxylate

Beteiligte Stoffe

Reaktionsschritte

To a stirred solution of the compound prepared in Step 1 (1 eq.), pyridine (0.6 eq.) and di-t-butyl dicarbonate (1.3 eq.) in dioxane (0.6 M), NH4HCO3 (1.26 eq.) was added and the mixture was stirred at room temperature for 20 hours. Mixture was concentrated, taken up in EtOAc and washed with water and brine. Organics were dried over Na2SO4 and evaporated giving the title product as an oil which crystallized at room temperature.

Herkunft & Nachweise