1.1: 94 percent / H2 / Pd/C / ethanol / 14 h / 20 °C 2.1: PCl5 / toluene / 1 h / 20 °C 2.2: 98 percent / SnCl4 / toluene / 13 h / 20 °C View Scheme

With  hydrogen; palladium on activated charcoal in  ethanol T=20°C; 14 h;