hydrogen; palladium on activated charcoal in methanol P=2205.2 Torr;

Multi-step reaction with 6 steps 1: 97 percent / 4 h / 160 °C2: acetyl chloride / 16 h / Heating3: 85 percent / lithium aluminum hydride / diethyl ether / 3.5 h / Heating4: 92 percent / thionyl chloride / CHCl3 / 2 h / Heating5: 67 percent / tricaprylmethylammonium chloride / H2O / 48 h / 100 °C6: 1.) acetyl chloride, 2.) water / 1.) RT, 48 h, 2.) 1 h  

Multi-step reaction with 5 steps 1: acetyl chloride / 16 h / Heating2: 85 percent / lithium aluminum hydride / diethyl ether / 3.5 h / Heating3: 92 percent / thionyl chloride / CHCl3 / 2 h / Heating4: 67 percent / tricaprylmethylammonium chloride / H2O / 48 h / 100 °C5: 1.) acetyl chloride, 2.) water / 1.) RT, 48 h, 2.) 1 h