1.1: isopropanol acetate / 3.17 h / 0 - 25 °C 2.1: AlCl3, aluminium chloride / neat (no solvent) / 0.25 h / 0 - 5 °C 2.2: 255 / 1 h / 0 - 10 °C 3.1: hydrogen; 5 palladium on charcoal / ethanol; water / 25 °C / 2250.23 Torr / |Inert atmosphere 4.1: AlCl3, aluminium chloride / dichloromethane / 0.75 h / 0 °C 4.2: 1 h / 0 - 5 °C 5.1: palladium 10 on activated carbon / water; ethyl acetate / 0.17 h / 25 °C / 2828.7 Torr / |Inert atmosphere 6.1: sodium hydroxide / ethanol / 1.5 h / 78 °C / |Inert atmosphere 7.1: hydrogenchloride / isopropanol acetate / 2.67 h / 20 - 25 °C View Scheme

triethylamine in tetrahydrofuran T=5 - 20°C; 0.5 h;

in n-heptane; isopropanol acetate

in ethyl acetate Ambient temperature;

Reflux;

in tetrahydrofuran; water

T=240°C; 0.5 h; microwave irradiation;

1: With triethylamine in tetrahydrofuran 1 h; 2: With lithium aluminium tetrahydride in tetrahydrofuran 3 h; Heating / reflux; 3: With sodium hydroxide; water more than 3 stages;

in pyridine; hydrogenchloride; dichloromethane; water; ethyl acetate

triethylamine in tetrahydrofuran T=20°C; 1 h;