sodium hydroxide; dihydrogen peroxide in methanol 0.5 h; Ambient temperature;

ammonia; triethylamine T=20°C; 16 h;

1: 66 percent / dimethylformamide / 2 h / 100 - 110 °C 2: 88 percent / H2 / 10percent Pd/C / dioxane / 3 h 3: 75 percent / 35percent aq. H2O2, 3N aq. NaOH / methanol / 0.5 h / Ambient temperature View Scheme

1: 88 percent / H2 / 10percent Pd/C / dioxane / 3 h 2: 75 percent / 35percent aq. H2O2, 3N aq. NaOH / methanol / 0.5 h / Ambient temperature View Scheme