lead(IV) acetate in acetic acid T=75°C; overnight;

1: 1) sodium methoxide / 1.) methanol, 0.5 h, 2.) 3h, reflux 2: 54 percent / p-toluenesulfonic acid / toluene / 18 h / Heating 3: lead tetraacetate / acetic acid / 75 °C / overnight View Scheme

1: 54 percent / p-toluenesulfonic acid / toluene / 18 h / Heating 2: lead tetraacetate / acetic acid / 75 °C / overnight View Scheme

1: 1) sodium methoxide / 1.) methanol, 0.5 h, 2.) 3h, reflux 2: 54 percent / p-toluenesulfonic acid / toluene / 18 h / Heating 3: lead tetraacetate / acetic acid / 75 °C / overnight View Scheme