1: 90 percent / NBS; AIBN / CCl4 2: 80 percent / K2CO3 / dimethylformamide / 12 h / 20 °C 3: 33 percent / nBu3SnH; AIBN / toluene / 48 h / Heating View Scheme

1: 80 percent / K2CO3 / dimethylformamide / 12 h / 20 °C 2: 33 percent / nBu3SnH; AIBN / toluene / 48 h / Heating View Scheme

1: diphenylether / 0.5 h / 250 °C / |Inert atmosphere 2: N-iodo-succinimide / N,N-dimethyl-formamide / 3 h / 20 °C 3: phosphorus oxytribromide / N,N-dimethyl-formamide / 3 h / 0 - 70 °C 4: palladium diacetate; 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene; caesium carbonate / toluene / 1.5 h / 120 °C / |Inert atmosphere; |Microwave irradiation 5: bis-triphenylphosphine-palladium(II) chloride; sodium acetate / N,N-dimethyl acetamide / 1 h / 150 °C / |Inert atmosphere; |Microwave irradiation View Scheme

1: N-iodo-succinimide / N,N-dimethyl-formamide / 3 h / 20 °C 2: phosphorus oxytribromide / N,N-dimethyl-formamide / 3 h / 0 - 70 °C 3: palladium diacetate; 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene; caesium carbonate / toluene / 1.5 h / 120 °C / |Inert atmosphere; |Microwave irradiation 4: bis-triphenylphosphine-palladium(II) chloride; sodium acetate / N,N-dimethyl acetamide / 1 h / 150 °C / |Inert atmosphere; |Microwave irradiation View Scheme

1: platinum; ethyl acetate / Hydrogenation 2: PCl5; POCl3 3: palladium/charcoal; acetic acid / Hydrogenation View Scheme

1: HCl; ethanol 2: platinum; ethyl acetate / Hydrogenation 3: PCl5; POCl3 4: palladium/charcoal; acetic acid / Hydrogenation View Scheme

1: iron powder; concentrated hydrochloric acid; alcohol 2: Behandeln des entstandenen Formylderivates mit Phosphoroxychlorid in siedendem Toluol View Scheme

1: acetic acid 2: hydrogen chloride; alcohol / und Kochen des Reaktionsprodukts mit alkoh.Kalilauge 3: iron powder; concentrated hydrochloric acid; alcohol 4: Behandeln des entstandenen Formylderivates mit Phosphoroxychlorid in siedendem Toluol View Scheme

Behandeln des entstandenen Formylderivates mit Phosphoroxychlorid in siedendem Toluol;