sodium methylate in methanol 2 h; Heating;

1: 66.5 percent / toluene-p-sulphonic acid / CH2Cl2 / 3 h 2: 71 percent / hydrogen peroxide, aq. potassium carbonate / dioxane / 1 h 3: 1.) methanolic ammonia, 2.) toluene-p-sulphonic acid / 1.) 6 h, room temperature 4: 83 percent / H2 / palladium-charcoal / ethanol / 3 h 5: 69 percent / sodium methoxide / methanol / 2 h / Heating View Scheme

1: 83 percent / H2 / palladium-charcoal / ethanol / 3 h 2: 69 percent / sodium methoxide / methanol / 2 h / Heating View Scheme

1: 71 percent / hydrogen peroxide, aq. potassium carbonate / dioxane / 1 h 2: 1.) methanolic ammonia, 2.) toluene-p-sulphonic acid / 1.) 6 h, room temperature 3: 83 percent / H2 / palladium-charcoal / ethanol / 3 h 4: 69 percent / sodium methoxide / methanol / 2 h / Heating View Scheme

1: 1.) methanolic ammonia, 2.) toluene-p-sulphonic acid / 1.) 6 h, room temperature 2: 83 percent / H2 / palladium-charcoal / ethanol / 3 h 3: 69 percent / sodium methoxide / methanol / 2 h / Heating View Scheme

water 24 h; Heating;

pyridine T=0 - 20°C; 5 h;

1: Py / 5 h / 0 - 20 °C 2: POCl3 / 0.5 h / Heating View Scheme

1: N2H4*H2O / Heating 2: H2 / Raney-Ni / aq. ethanol / Heating View Scheme