1: 25 percent / CHCl3 / 0.5 h / Ambient temperature 2: 30 percent / 4 h / 220 °C 3: 95 percent / lithium aluminum hydride / tetrahydrofuran / 24 h / Heating 4: 1.) 5percent Pd/C, 2.) 15percent aq. NaCl / 1.) glacial acetic acid, reflux, 40 h, 2.) water View Scheme

1: 25 percent / CHCl3 / 0.5 h / Ambient temperature 2: 30 percent / 4 h / 220 °C 3: 95 percent / lithium aluminum hydride / tetrahydrofuran / 24 h / Heating 4: 1.) 5percent Pd/C, 2.) 15percent aq. NaCl / 1.) glacial acetic acid, reflux, 40 h, 2.) water View Scheme

1: 95 percent / lithium aluminum hydride / tetrahydrofuran / 24 h / Heating 2: 1.) 5percent Pd/C, 2.) 15percent aq. NaCl / 1.) glacial acetic acid, reflux, 40 h, 2.) water View Scheme

1: 30 percent / 4 h / 220 °C 2: 95 percent / lithium aluminum hydride / tetrahydrofuran / 24 h / Heating 3: 1.) 5percent Pd/C, 2.) 15percent aq. NaCl / 1.) glacial acetic acid, reflux, 40 h, 2.) water View Scheme

palladium on activated charcoal; sodium chloride 1.) glacial acetic acid, reflux, 40 h, 2.) water; Yield given. Multistep reaction;