1: hydrogen; ferrous acetate / 5 rhodium-on-charcoal / toluene; tetrahydrofuran / 48 h / 20 °C / 38002.6 Torr / Inert atmosphere 2: hydrogenchloride; Et3N-BH3 / 1,4-dioxane; water / 20 °C / Inert atmosphere; Reflux 3: triethylamine / dichloromethane / 20 °C / Inert atmosphere View Scheme

hydrogen; ferrous acetate; 5 rhodium-on-charcoal in tetrahydrofuran; toluene T=20°C; P=38002.6 Torr; 48 h; Inert atmosphere;

1: hydrogen; ferrous acetate / 5 rhodium-on-charcoal / toluene; tetrahydrofuran / 48 h / 20 °C / 38002.6 Torr / Inert atmosphere 2: hydrogenchloride; Et3N-BH3 / 1,4-dioxane; water / 20 °C / Inert atmosphere; Reflux View Scheme