potassium hydroxide in ethanol; chloroform; water

lithium aluminium tetrahydride in tetrahydrofuran; diethyl ether 15 h; Heating;

1: 75 percent / aq. sodium hydroxide / tetrahydrofuran / 12 h 2: 100 percent / LAH / diethyl ether; tetrahydrofuran / 15 h / Heating View Scheme

1: oxalyl dichloride / benzene / 12 h 2: 75 percent / aq. sodium hydroxide / tetrahydrofuran / 12 h 3: 100 percent / LAH / diethyl ether; tetrahydrofuran / 15 h / Heating View Scheme