反应详情

Diethylamine (0.824 mL, 7.89 mmol) was added to a solution of (5R)-(9H-fluoren-9-yl)methyl 5-((benzyloxy)amino)-3-(((tert-butyldimethylsilyl)oxy)methyl)-2-carbamoyl-5,6-dihydropyridine-1(2H)-carboxylate (Intermediate 162, 0.968 g, 1.58 mmol) in DCM (20 mL) and the resulting solution was allowed to stir at room temperature overnight. The volatiles were removed by evaporation and the residue was purified on silica gel (0-12%, MeOH/DCM, UV 220 nm) to afford the title compound (0.564 g, 91%) as a yellow film.

1. customThe volatiles were removed by evaporation
2. customthe residue was purified on silica gel (0-12%, MeOH/DCM, UV 220 nm)