in diethyl ether 2 h; Ambient temperature;

acetic acid T=50°C; 0.0833333 h;

1: 81.4 percent / manganese dioxide / dimethylformamide / 10 h / Ambient temperature 2: 62 percent / copper powder / dioxane / 1) 40 deg C, 3 h 2) 70 deg C, 4 h 3: 89 percent / diethyl ether / 2 h / Ambient temperature View Scheme

1: 100 percent / ethanol / 0.08 h / Heating 2: 62 percent / copper powder / dioxane / 1) 40 deg C, 3 h 2) 70 deg C, 4 h 3: 89 percent / diethyl ether / 2 h / Ambient temperature View Scheme

1: 62 percent / copper powder / dioxane / 1) 40 deg C, 3 h 2) 70 deg C, 4 h 2: 89 percent / diethyl ether / 2 h / Ambient temperature View Scheme

1: 92 percent / ethanol / under ice cooling 2: 100 percent / ethanol / 0.08 h / Heating 3: 62 percent / copper powder / dioxane / 1) 40 deg C, 3 h 2) 70 deg C, 4 h 4: 89 percent / diethyl ether / 2 h / Ambient temperature View Scheme