1: 1.) AlCl3, HCl / 1.) 0 deg C, 6 h, ether; 2.) 70 deg C, 1 h, water 2: 81 percent / K2CO3 / acetone / 1.5 h / Heating 3: 1.) NaBH4; 2.) 2N NaOH 3.) 2N HCl / 1.) MeOH, 25 deg C, 0.5 h; 2.) 60 deg C, 0.25 h 4: 73 percent / K2CO3 / acetone / 18 h / Heating 5: 77 percent / LAH / diethyl ether / 2 h / Heating View Scheme