potassium carbonate in dimethyl sulfoxide Arylation; 8 h;

hydrogenchloride; water T=120°C; 2 h;

1.1: sodium hypochlorite; acetic acid; tert-butyl alcohol / ethyl acetate / 1 h / 0 °C 2.1: silver hexafluoroantimonate; [{(η5-C5Me5)RhCl}2(μ-Cl)2]; caesium acetate / tetrahydrofuran / 0.08 h / 40 °C / Inert atmosphere 2.2: 2 h / 40 °C / Inert atmosphere 3.1: hydrogenchloride; water / 2 h / 120 °C View Scheme

1.1: methanol; water / 18 h / Reflux 2.1: silver hexafluoroantimonate; [{(η5-C5Me5)RhCl}2(μ-Cl)2]; caesium acetate / tetrahydrofuran / 0.08 h / 40 °C / Inert atmosphere 2.2: 2 h / 40 °C / Inert atmosphere 3.1: hydrogenchloride; water / 2 h / 120 °C View Scheme

1.1: silver hexafluoroantimonate; [{(η5-C5Me5)RhCl}2(μ-Cl)2]; caesium acetate / tetrahydrofuran / 0.08 h / 40 °C / Inert atmosphere 1.2: 2 h / 40 °C / Inert atmosphere 2.1: hydrogenchloride; water / 2 h / 120 °C View Scheme