1: 1.) hydrazine hydrate, 2.) NaOH, H2O / 1.) diethyleneglycol, reflux, 1 h, 2.) diethyleneglycol, a) reflux, 2 h, b) 195 to 200 deg C, 2 h 2: 98.3 percent / LiAlH4 / diethyl ether / 5 h / Heating View Scheme

sodium hydroxide; water; hydrazine hydrate 1.) diethyleneglycol, reflux, 1 h, 2.) diethyleneglycol, a) reflux, 2 h, b) 195 to 200 deg C, 2 h; Yield given. Multistep reaction;