phosphorus pentachloride; trichlorophosphate T=100 - 110°C; 16 h;

1.1: phosphorus tribromide / ethyl acetate / 4.5 h / 145 °C / Inert atmosphere 2.1: hydrogenchloride / tetrahydrofuran; diethyl ether; water / 0.08 h / 20 °C / Inert atmosphere 2.2: 24 h / Inert atmosphere; Reflux 3.1: copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 30 h / 45 °C / Inert atmosphere 4.1: copper(l) iodide; tris-(dibenzylideneacetone)dipalladium(0); trifuran-2-yl-phosphane; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 8.5 h / 20 °C / Inert atmosphere 5.1: hydrogen; palladium / methanol / 96 h / 20 °C 6.1: tetra-(n-butyl)ammonium iodide; caesium carbonate / N,N-dimethyl-formamide / 16 h / -20 - 20 °C / Inert atmosphere 7.1: toluene-4-sulfonic acid / methanol / 48 h / 20 °C / Inert atmosphere 7.2: 20 °C / Inert atmosphere 8.1: Dess-Martin periodane / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere 9.1: sodium chlorite; sodium dihydrogen phosphate dihydrate; 2-methyl-but-2-ene / water; tert-butyl alcohol / 20 °C / Inert atmosphere 10.1: nitromethane / 99.5 h / 50 - 65 °C / Inert atmosphere 11.1: palladium 10 on activated carbon; hydrogen / methanol / 24 h / 20 °C 12.1: trifluoroacetic acid / water / 2 h / 20 °C View Scheme

sodium hydroxide; water

bis(sym-collidine)iodine(I) hexafluorophosphate in dichloromethane 2 h; Ambient temperature;

iodine; potassium carbonate

iodine aus Edukt 2 ca. 3,5 Mol,in abwechselnd alkalischer und saeuer Loesung;

T=280 - 300°C;

T=185°C;

T=185°C;

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