1: trimethylsilyl trifluoromethanesulfonate / acetonitrile / 1 h / Heating 2: H2 / Pd-C / methanol / 20 °C 3: NaHCO3 / toluene; dioxane / 1 h / 20 °C 4: LiOH*H2O / tetrahydrofuran; H2O / 4.5 h / 0 °C 5: H2 / Pd-C / methanol / 20 °C 6: i-Pr2NEt / dimethylsulfoxide / 24 h / 20 °C 7: 73 percent / CF3CO2H / methanol; H2O / 3 h / 20 °C View Scheme