1: 61 percent / dioxane / Irradiation 2: 86 percent / i-Pr2NEt / CH2Cl2 3: NBS / CHCl3 / Irradiation 4: CHCl3 5: 1.) t-BuOK / 2.) DMF, 120 deg C 6: H2 / Raney Ni / ethanol / 65 - 70 °C / 72400.7 Torr 7: 100 percent / LiOH / tetrahydrofuran; H2O 8: 1.) Li, NH3, 2.) NaCN / 2.) H2O 9: 72 percent / NaI, TMSCl / acetonitrile 10: 89 percent / AgNO3 / methanol; H2O View Scheme