dihydrogen peroxide; sodium hydrogencarbonate in 1,4-dioxane 1 h; Ambient temperature;

1: 1.) NaH / 1.) DMF, 78 deg C, 2.) 78 deg C, 4 h 2: 37 percent / methanol / 1 h / Ambient temperature 3: 38 percent / 1.2 N aq. NaOH / 18 h / Ambient temperature View Scheme

sodium hydroxide 18 h; Ambient temperature;

1: 0.05 g / methanol / 1.5 h / Ambient temperature 2: 38 percent / 1.2 N aq. NaOH / 18 h / Ambient temperature View Scheme