反应详情

To a solution of 10 g (39 mmol) of the product of Step C in DMF (70 mL) at rt was added NaH (1.3 g of an 80% oil dispersion, 43 mmol). After 20 minutes benzyl bromide (5.15 mL, 43 mmol) was added and the reaction was stirred for 16 hours. The mixture was poured onto 500 g of ice and the solid residue was filtered, washed with water and air dried to give 13 g of the title compound.

1. filtrationthe solid residue was filtered
2. washwashed with water and air
3. customdried