pyridine 72 h; Ambient temperature;

1: 1.) NaH / 1.) DMF, reflux, 12 h, 2.) DMF, reflux, 12 h 2: KOH / ethanol / 20 h / Heating 3: 93.9 percent / LiAlH4 / diethyl ether 4: 97.7 percent / pyridine / 72 h / Ambient temperature View Scheme

1: 1.) NaH / 1.) DMF, reflux, 12 h, 2.) DMF, reflux, 12 h 2: KOH / ethanol / 20 h / Heating 3: 93.9 percent / LiAlH4 / diethyl ether 4: 97.7 percent / pyridine / 72 h / Ambient temperature View Scheme

1: 93.9 percent / LiAlH4 / diethyl ether 2: 97.7 percent / pyridine / 72 h / Ambient temperature View Scheme

1: KOH / ethanol / 20 h / Heating 2: 93.9 percent / LiAlH4 / diethyl ether 3: 97.7 percent / pyridine / 72 h / Ambient temperature View Scheme