hydrogenchloride; sodium periodate in tetrahydrofuran; water T=25°C; 17.5 h;

1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / dimethyl sulfoxide / 2 h / 80 °C 2: hydrogenchloride; sodium periodate / tetrahydrofuran; water / 17.5 h / 25 °C View Scheme

1: hydrogenchloride; potassium iodide; sodium nitrite / water; toluene / 13 h / -5 °C / Reflux 2: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / dimethyl sulfoxide / 2 h / 80 °C 3: hydrogenchloride; sodium periodate / tetrahydrofuran; water / 17.5 h / 25 °C View Scheme

[PdCl2(Fe(C5H4P(C6H5)2)2)]; HCl; NaIO4 in further solvent(s) (CH3OOC)2C6H3I reacted with B compd. and Pd complex in KCH3COO/DMSO, reacted with NaIO4 and HCl in THF/H2O at 25°C overnight;