1.1: ozone / CH2Cl2; methanol / 0.5 h / -78 °C 1.2: 96 percent / dimethylsulfide / CH2Cl2; methanol / -78 - 20 °C 2.1: 66 percent / magnesium sulfate; potassium permanganate / acetone / 2 h / 20 °C View Scheme

sodium hydroxide; potassium permanganate; sodium periodate; potassium carbonate in water; tert-butyl alcohol Yield given. Yields of byproduct given. Title compound not separated from byproducts;

sodium hydroxide; potassium permanganate; sodium periodate; potassium carbonate in water; tert-butyl alcohol Yield given. Yields of byproduct given. Title compound not separated from byproducts;