1.1: triethylamine; hydrogen / [Rh(S)-phanephos(cod)]BF4 / ethanol / 6 h / 60 °C / 22502.3 Torr / Autoclave 2.1: triethylamine; diphenyl phosphoryl azide / toluene / 1 h / 80 °C / Inert atmosphere 2.2: 8 h / 50 °C / Reflux 3.1: hydrogenchloride; water / ethanol / 48 h / 70 °C 4.1: hydrogen / palladium 10 on activated carbon / methanol / 12 h / 760.05 Torr 4.2: Inert atmosphere View Scheme