1: tetrahydrofuran / 0 - 22 °C 2: thionyl chloride / tetrahydrofuran / 12 h / 22 °C 3: acetonitrile / 8 h / 60 °C 4: hydrogen bromide / water; acetic acid / 4 h / 112 °C 5: Rh(COD)[(S,S)-Me-DPEphos]BF4; hydrogen; lithium tert-butylate / toluene / 2 h / 20 °C / 2585.81 Torr / Inert atmosphere View Scheme

AlCl3, aluminium chloride in dichloromethane T=-5 - 25°C;

1: zinc; benzene / Behandeln des Reaktionsprodukts mit Thionylchlorid und Pyridin 2: aqueous hydriodic acid View Scheme

1: With tin(IV) chloride in dichloromethane T=0 - 20°C; Friedel Crafts Acylation; 3 - 4 h; 2: With hydrogenchloride; water in dichloromethane T=0°C;

trifluoromethylsulfonic anhydride in nitromethane T=20°C; Friedel-Crafts acylation; 0.0666667 h;

potassium carbonate

1: AlCl3 / 130 - 140 °C View Scheme

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