1: 70 percent / toluene / 60 h / Heating 2: 65 percent / N-chlorosuccinimide, AgNO3 / acetonitrile; H2O / 0.5 h 3: H2 / 10percent Pd/C / ethanol / 2 h / 1034.3 Torr 4: 2N NaOH / methanol / 12 h / 60 °C 5: 71 percent / conc. H2SO4 / 12 h / Ambient temperature 6: K2CO3 / acetone View Scheme