1: With 1-chloroethyl chlorocarbonate; sodium carbonate in 1,2-dichloro-ethane T=0 - 50°C; 2: in methanol 2 h; Reflux;

lithium aluminium tetrahydride in tetrahydrofuran 4 h; Heating;

1: 60 percent / pyridine / 5 h / Heating 2: 71 percent / sodium hydride / dimethylsulfoxide / 1.) below 40 deg C, 20 min, 2.) 22 deg C, 45 min 3: 91 percent / acetic anhydride / diethyl ether / 16 h / 22 °C 4: 95 percent / LiAlH4 / tetrahydrofuran / 4 h / Heating View Scheme

1: 71 percent / sodium hydride / dimethylsulfoxide / 1.) below 40 deg C, 20 min, 2.) 22 deg C, 45 min 2: 91 percent / acetic anhydride / diethyl ether / 16 h / 22 °C 3: 95 percent / LiAlH4 / tetrahydrofuran / 4 h / Heating View Scheme

1: 91 percent / acetic anhydride / diethyl ether / 16 h / 22 °C 2: 95 percent / LiAlH4 / tetrahydrofuran / 4 h / Heating View Scheme

1: LiAlH4 / tetrahydrofuran View Scheme

1: 79 percent / potassium carbonate / dimethylformamide / 2 h / 100 °C 2: 86 percent / LiAlH4 / diethyl ether / 18 h / 22 °C View Scheme

potassium carbonate in N,N-dimethyl-formamide T=100°C; 2 h;