1: 64 percent / NaBH4 / propan-2-ol / 6 h / 70 °C 2: 45 percent / H2, 15percent aq. HCl / 5percent Pd/C / ethanol / 10 h / 760 Torr / Ambient temperature View Scheme

sodium tetrahydroborate in isopropyl alcohol T=70°C; 6 h;