反应详情

To a solution of the product of step (iii) (2.5 g, 7.5 mmol, 1.0 eq) and TEA (2.3 g, 22.5 mmol) in dry dichlormethane was added MsCl (1.7 g, 15 mmol). The reaction mixture was stirred at room temperature for 4 hours. The solvent was removed under reduced pressure and the residue purified by column to afford the subtitled compounds (1.9 g).

1. customThe solvent was removed under reduced pressure
2. customthe residue purified by column