lithium aluminium tetrahydride in tetrahydrofuran T=-78 - 20°C; 2.5 h; Inert atmosphere;

hydrogenchloride in ethanol T=50°C; 1 h;

1.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 4 h / 0 - 40 °C / |Inert atmosphere 2.1: triphenylphosphine / tetrahydrofuran / 1 h / 20 °C / |Inert atmosphere 2.2: 0.42 h / 20 °C / |Inert atmosphere; |Sonication 3.1: triphenylphosphine; gold(III) chloride; silver trifluoromethanesulfonate / dichloromethane / 7 h / 20 - 50 °C / |Inert atmosphere 4.1: hydrogen; palladium on activated charcoal / methanol / 5 h / 20 °C 5.1: lithium aluminium tetrahydride / tetrahydrofuran / 2.5 h / -78 - 20 °C / |Inert atmosphere View Scheme

1.1: triphenylphosphine / tetrahydrofuran / 1 h / 20 °C / |Inert atmosphere 1.2: 0.42 h / 20 °C / |Inert atmosphere; |Sonication 2.1: triphenylphosphine; gold(III) chloride; silver trifluoromethanesulfonate / dichloromethane / 7 h / 20 - 50 °C / |Inert atmosphere 3.1: hydrogen; palladium on activated charcoal / methanol / 5 h / 20 °C 4.1: lithium aluminium tetrahydride / tetrahydrofuran / 2.5 h / -78 - 20 °C / |Inert atmosphere View Scheme

1: hydrogen; palladium on activated charcoal / methanol / 5 h / 20 °C 2: lithium aluminium tetrahydride / tetrahydrofuran / 2.5 h / -78 - 20 °C / |Inert atmosphere View Scheme

acetic acid in ethanol Heating;

acetic acid in ethanol Heating;

T=20°C; pH=3.0; Equilibrium constant;

T=150°C; Ausschluss von Sauerstoff;

sodium hydrogencarbonate; potassium hexacyanoferrate(III) in water 0.5 h;