1: palladium diacetate; 1,4-di(diphenylphosphino)-butane; triethylamine / acetonitrile / 2 h / 100 °C / 4137.41 Torr / |Autoclave; |Sealed tube 2: palladium 10 on activated carbon; hydrogen / methanol / 144 h View Scheme

hydrogenchloride; iron Multistep reaction;

iodine; acetic acid; periodic acid; sulfuric acid T=90°C; 96 h;