sodium carbonate in acetic acid T=40 - 50°C;

1: 12.6 g / Na2CO3 / acetic acid / 40 - 50 °C 2: 84.2 percent / 30percent H2O2 / acetic acid / 48 h / 80 °C 3: 60.2 percent / sodium ethoxide / ethanol / 8 h 4: 8.6 percent / OsO4 / pyridine / 4 h / Ambient temperature 5: 91.8 percent / sodium metaperiodate / ethanol; H2O / 1.5 h View Scheme