zinc in tetrahydrofuran Reformatzky reaction; 8 h; Heating;

1: 80 percent / LiAlH / diethyl ether / 2.8 h / 20 °C / Heating 2: water; Dowex 50X8-100 (H+ form) / 24 h / 20 °C 3: 47 percent / p-TsOH / 2 h / 20 °C View Scheme

water; acetic acid T=90°C; Hydrolysis; 12 h;