1: With tetrakis(triphenylphosphine) palladium(0) in toluene T=105 - 112°C; 48 h; Inert atmosphere; 2: With hydrogenchloride in tetrahydrofuran T=20°C; 3: With sodium hydrogencarbonate in tetrahydrofuran pH=8;

aluminium trichloride in nitrobenzene T=80 - 85°C; 16 h;

hydrogenchloride; water 0.25 - 0.333333 h;

1.1: sodium iodide; sodium hydroxide; sodium hypochlorite / ethanol / -30 °C / Inert atmosphere 2.1: 1H-imidazole / dichloromethane / 72 h / 20 °C / Inert atmosphere 3.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 48 h / 105 - 112 °C / Inert atmosphere 3.2: 20 °C 3.3: pH 8 View Scheme

aluminium trichloride bis auf 125grad;

aluminium trichloride

potassium carbonate in acetone 14 h; Heating / reflux;

hydrogenchloride; Pd-BaSO4; ethanol Hydrogenation;