1: 75 percent / sodium cyanoborohydride; HCl / methanol / 24 h / 20 °C 2: HF; anisole / 1 h / 0 °C 3: 505 mg / NaOH / H2O; ethanol / 1 h / 20 °C View Scheme

hydrogenchloride; sodium cyanoborohydride in methanol T=20°C; 24 h;