1.1: Mg / diethyl ether / Heating 1.2: 87 percent / benzene; diethyl ether / 1.5 h / 42 - 44 °C 2.1: 52 percent / KOH / ethane-1,2-diol / 3 h / Heating 3.1: 85 percent / LiAlH4 / diethyl ether / 1 h / 0 °C View Scheme

1.1: Mg / diethyl ether 1.2: 81.2 percent / diethyl ether; benzene / 20 - 44 °C 2.1: 54 percent / KOH / ethane-1,2-diol / 3 h / Heating 3.1: 87 percent / LiAlH4 / diethyl ether / 1 h / 0 - 2 °C View Scheme