1: 95 percent / 65 h / 80 °C 2: 83 percent / alumina / benzene / 18 h 3: 76 percent / NaBH4, PdCl2 / methanol / 2 h / Ambient temperature 4: KOH / methanol / 1 h / Heating View Scheme

1: 95 percent / 65 h / 80 °C 2: 83 percent / alumina / benzene / 18 h 3: 76 percent / NaBH4, PdCl2 / methanol / 2 h / Ambient temperature 4: KOH / methanol / 1 h / Heating View Scheme

Multi-step reaction with 6 steps 1: 1.) Li/NH3 2: 86 percent / 4-dimethylaminopyridine / benzene; pyridine / 0.08 h / Ambient temperature3: 96 percent / K2CrO4 / acetic acid; H2O / Ambient temperature4: 100 percent / KOH / methanol / 12 h / Heating5: p-toluenesulfonic acid / Ambient temperature6: 88 percent / pyridine / 24 h / Ambient temperature  

Multi-step reaction with 3 steps 1: 100 percent / KOH / methanol / 12 h / Heating2: p-toluenesulfonic acid / Ambient temperature3: 88 percent / pyridine / 24 h / Ambient temperature  

Multi-step reaction with 4 steps 1: 96 percent / K2CrO4 / acetic acid; H2O / Ambient temperature2: 100 percent / KOH / methanol / 12 h / Heating3: p-toluenesulfonic acid / Ambient temperature4: 88 percent / pyridine / 24 h / Ambient temperature  

T=80°C; 65 h;