bismuth(III) chloride; benzyltriphenylphosphonium peroxymonosulfate in acetonitrile 2 h; Heating;

1: potassium ferricyanide, KOH 2: H2 / Raney Ni W-2 / ethanol / Ambient temperature; room temperature, 1 h then 35 degC, 12 h 3: 95 percent / 10percent HCl / H2O / 2 h / Heating View Scheme

1: potassium ferricyanide, KOH 2: H2 / Raney Ni W-2 / ethanol / Ambient temperature; room temperature, 1 h then 35 degC, 12 h 3: 95 percent / 10percent HCl / H2O / 2 h / Heating 4: 84 percent / hydrazine hydrate, KOH / H2O; ethane-1,2-diol / 120 degC, 1 h then 190-195 degC, 3 h View Scheme