1: 63 percent / BCl3 / CH2Cl2 / 0.17 h / Ambient temperature 2: 81 percent / conc.HCl, H2 / platinum oxide / methanol 3: 82.5 percent / K2CO3 / dimethylformamide / 4 h / 80 °C 4: 92 percent / NaOH / H2O; methanol / 3 h / Heating 5: 77.5 percent / diethyl ether / 4 h / Ambient temperature 6: 91.5 percent / H2 / Pd-C / ethyl acetate View Scheme