1: Na2S2O8; aqueous alkaline solution / Erwaermen des Reaktionsprodukts mit wss. HCl 2: FeCl3; aqueous HCl 3: aqueous HClO4 4: aq. NaOH solution; air View Scheme

N-bromosuccinmide; water in acetic acid T=65°C; 0.75 h;

methanol; oxygen; copper(II) nitrate weiteres Reagens: 2,4,6-Trimethyl-pyridin;