1: 2M HCl / methanol / 1.25 h / 100 °C 2: 82 percent / NaIO3 / H2O; ethyl acetate / 0.25 h View Scheme

1: 2M HCl / methanol / 1.25 h / 100 °C 2: 82 percent / NaIO3 / H2O; ethyl acetate / 0.25 h 3: 1M NaOH, H2 / Raney nickel / ethyl acetate / 5 h / 70 °C / 2067.2 Torr 4: NaIO4 / ethyl acetate; H2O / 0.17 h / Ambient temperature View Scheme

With  hydrogenchloride in  methanol T=100°C; 1.25 h;