hydrogen; platinum(IV) oxide in acetic acid T=20°C; P=1551.4 Torr; 10 h;

Multi-step reaction with 2 steps 1: 84 percent / sodium hydride / toluene / 41 h / Heating2: 1.) potassium hydroxide; 2.) 85percent H3PO4 / 1.) ethanol, water, 100 deg C; 2.) water, 115 deg C  

Multi-step reaction with 2 steps 1: diethyl ether2: zinc; hydrochloric acid; water