lithium aluminium tetrahydride in diethyl ether 1 h; Ambient temperature;

1: 42 percent / trichloroacetic acid / CH2Cl2 / 0.33 h / 25 °C 2: 0.075 g / LiAlH4 / diethyl ether / 1 h / Ambient temperature View Scheme

1: 8.9 g / MCPBA / CHCl3 / 1.) -14 deg C, 2.) 20 h, 5 deg C 2: 42 percent / trichloroacetic acid / CH2Cl2 / 0.33 h / 25 °C 3: 0.075 g / LiAlH4 / diethyl ether / 1 h / Ambient temperature View Scheme