1: 43 percent / aq. 30percent H2O2, CF3COOH / 60 h / 6 °C 2: 70 percent / acetyl chloride, trifluoroacetic acid / 3 h / -40 - 0 °C 3: 83 percent / aq. 1N NaOH / dioxane / 18 h / Heating View Scheme

1: 43 percent / aq. 30percent H2O2, CF3COOH / 60 h / 6 °C 2: 70 percent / acetyl chloride, trifluoroacetic acid / 3 h / -40 - 0 °C 3: 90 percent / aq. conc. NH3 / dioxane / 24 h / Ambient temperature View Scheme