反应详情

To a mixture of 4.41 g (18.9 m mol) of 6-amino-3,4-dihydro-2,2-dimethyl-3,4-epoxy-7-nitro-2H-benzo [b] pyran, 1.29 g (32 m mol) of sodium hydroxide, 400 ml of ethanol and 40 ml of water were added slowly dropwise 32.2 g (26 m mol) of 6% sodium hypochlorite solution at the room temperature with stirring.