1: 95 percent / dimethylsulfoxide / 15 h / 80 °C 2: 86 percent / NaOH, 3N HCl / ethanol / 19 h / Heating 3: PCl5 / CH2Cl2 / 2 h / 25 °C 4: 44 percent / AlCl3 / 1,2-dichloro-ethane / 72 h / 20 °C 5: 79 percent / NaOH / methanol / 2 h / Ambient temperature 6: H2, 70percent HClO4 / 5percent Pd-C / 24 h / Ambient temperature 7: NaOH / methanol / 24 h / 5 °C View Scheme

2: NaCH2SOMe View Scheme

1: 95 percent / dimethylsulfoxide / 15 h / 80 °C 2: 86 percent / NaOH, 3N HCl / ethanol / 19 h / Heating View Scheme