[Pd(OAc)2] in dichloromethane 6 h; Heating;

1: 92 percent / K2CO3 / 10 h / 20 °C 2: 98 percent / KOH; water / dioxane / 48 h / 105 °C 3: sodium periodate 4: 47 percent / [Pd(OAc)2] / CH2Cl2 / 6 h / Heating View Scheme

1: sodium periodate 2: 47 percent / [Pd(OAc)2] / CH2Cl2 / 6 h / Heating View Scheme