1: 93 percent / NaOH / methanol; H2O / 3 h / Heating 2: 92 percent / NaBH4 / ethanol; H2O / 15 h / Ambient temperature 3: PbOAc4, I2 / benzene / 6 h / Heating View Scheme

1: 93 percent / NaOH / methanol; H2O / 3 h / Heating 2: 92 percent / NaBH4 / ethanol; H2O / 15 h / Ambient temperature View Scheme

sodium hydroxide in methanol; water 3 h; Heating;