1: 0.5 N HCl / benzene / 1 h / Ambient temperature 2: 90 percent / LiAlH4 / diethyl ether 3: 1.) mercuric acetate, 2.) NaBH4, 3 M NaOH / 1.) THF/H2O, 15 h, 2.) View Scheme

1: 0.5 N HCl / benzene / 1 h / Ambient temperature 2: 90 percent / LiAlH4 / diethyl ether View Scheme