1: hydrogen; palladium(II) oxide hydrate / methanol / 1 h / 20 °C / 1034.32 Torr / |Inert atmosphere 2: dicyclohexyl-carbodiimide; 4-(N,N-dimethlyamino)pyridine; toluene-4-sulfonic acid / dichloromethane / 20 °C / |Inert atmosphere 3: acetyl chloride / tetrahydrofuran; methanol / 2 h / 0 °C / |Inert atmosphere View Scheme

hydrogen; palladium(II) oxide hydrate in methanol T=20°C; P=1034.32 Torr; 1 h; Inert atmosphere;