1: With lithium aluminium tetrahydride in tetrahydrofuran T=0 - 20°C; 5 h; 2: With sodium hydroxide; water in tetrahydrofuran T=0°C;

1.1: sulfuric acid / 3 h / 80 °C 2.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C 3.1: pyridinium chlorochromate / dichloromethane / 1 h / 20 °C 4.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 4.2: 1 h / 0 - 5 °C 5.1: sodium hydroxide; water / methanol / 2 h / 70 °C 5.2: 0.5 h / 4 °C / pH 2 6.1: hydrogen / palladium 10 on activated carbon / methanol / 0.25 h / 2068.65 Torr 7.1: sulfuric acid / 3 h / 80 °C 8.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C View Scheme

1.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 1.2: 1 h / 0 - 5 °C 2.1: sodium hydroxide; water / methanol / 2 h / 70 °C 2.2: 0.5 h / 4 °C / pH 2 3.1: hydrogen / palladium 10 on activated carbon / methanol / 0.25 h / 2068.65 Torr 4.1: sulfuric acid / 3 h / 80 °C 5.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C View Scheme

1.1: sulfuric acid / 0 - 10 °C 2.1: sulfuric acid / 3 h / 80 °C 3.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C 4.1: pyridinium chlorochromate / dichloromethane / 1 h / 20 °C 5.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 5.2: 1 h / 0 - 5 °C 6.1: sodium hydroxide; water / methanol / 2 h / 70 °C 6.2: 0.5 h / 4 °C / pH 2 7.1: hydrogen / palladium 10 on activated carbon / methanol / 0.25 h / 2068.65 Torr 8.1: sulfuric acid / 3 h / 80 °C 9.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C View Scheme

1.1: pyridinium chlorochromate / dichloromethane / 1 h / 20 °C 2.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 2.2: 1 h / 0 - 5 °C 3.1: sodium hydroxide; water / methanol / 2 h / 70 °C 3.2: 0.5 h / 4 °C / pH 2 4.1: hydrogen / palladium 10 on activated carbon / methanol / 0.25 h / 2068.65 Torr 5.1: sulfuric acid / 3 h / 80 °C 6.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C View Scheme

1.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C 2.1: pyridinium chlorochromate / dichloromethane / 1 h / 20 °C 3.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 3.2: 1 h / 0 - 5 °C 4.1: sodium hydroxide; water / methanol / 2 h / 70 °C 4.2: 0.5 h / 4 °C / pH 2 5.1: hydrogen / palladium 10 on activated carbon / methanol / 0.25 h / 2068.65 Torr 6.1: sulfuric acid / 3 h / 80 °C 7.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C View Scheme

1.1: sodium hydroxide; water / methanol / 2 h / 70 °C 1.2: 0.5 h / 4 °C / pH 2 2.1: hydrogen / palladium 10 on activated carbon / methanol / 0.25 h / 2068.65 Torr 3.1: sulfuric acid / 3 h / 80 °C 4.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C View Scheme

1: hydrogen / palladium 10 on activated carbon / methanol / 0.25 h / 2068.65 Torr 2: sulfuric acid / 3 h / 80 °C 3: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C View Scheme

1: sulfuric acid / 3 h / 80 °C 2: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C View Scheme

(i) Mg, THF, (ii) /BRN= 1209228/; Multistep reaction;