sodium hydroxide in ethanol; water 1.5 h; Heating;

1: 98 percent / Ac2O / 1 h / 70 °C 2: 97 percent / NaIO4 / H2O; methanol / 16 h / Ambient temperature 3: 99 percent / TFAA, BF3*OEt2 / benzene / 1 h / Ambient temperature 4: 76 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 5: 86 percent / 10 percent NaOH / H2O; ethanol / 1.5 h / Heating View Scheme

1: 97 percent / NaIO4 / H2O; methanol / 16 h / Ambient temperature 2: 99 percent / TFAA, BF3*OEt2 / benzene / 1 h / Ambient temperature 3: 76 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 4: 86 percent / 10 percent NaOH / H2O; ethanol / 1.5 h / Heating View Scheme

1: 76 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 2: 86 percent / 10 percent NaOH / H2O; ethanol / 1.5 h / Heating View Scheme

1: 99 percent / TFAA, BF3*OEt2 / benzene / 1 h / Ambient temperature 2: 76 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 3: 86 percent / 10 percent NaOH / H2O; ethanol / 1.5 h / Heating View Scheme

1: AcOH / ethanol / 18 h / Heating 2: NaBH4 / methanol / 1 h / Ambient temperature 3: 98 percent / Ac2O / 1 h / 70 °C 4: 97 percent / NaIO4 / H2O; methanol / 16 h / Ambient temperature 5: 99 percent / TFAA, BF3*OEt2 / benzene / 1 h / Ambient temperature 6: 76 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 7: 86 percent / 10 percent NaOH / H2O; ethanol / 1.5 h / Heating View Scheme

water Behandeln des Reaktionsprodukts mit Salzsaeure;

ethanol; sodium

1: concentrated sulfuric acid; arsenic (V)-oxide 2: sodium; ethanol View Scheme

und Erwaermen des Reaktionsprodukts mit Salzsaeure;