1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 3: 76 percent / NaHCO3 / CH2Cl2 / 20 °C View Scheme

1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 3: 76 percent / NaHCO3 / CH2Cl2 / 20 °C 4: 99 percent / pyridinium paratoluenesulfonate (PTSP) / toluene / 80 °C 5: 100 percent / LiOH, H2O / ethanol / 20 °C 6: 99 percent / DCC, DMAP / toluene / 2 h / 80 °C View Scheme

1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 3: 76 percent / NaHCO3 / CH2Cl2 / 20 °C 4: 99 percent / pyridinium paratoluenesulfonate (PTSP) / toluene / 80 °C View Scheme

1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 3: 76 percent / NaHCO3 / CH2Cl2 / 20 °C 4: 99 percent / pyridinium paratoluenesulfonate (PTSP) / toluene / 80 °C 5: 100 percent / LiOH, H2O / ethanol / 20 °C 6: 99 percent / DCC, DMAP / toluene / 2 h / 80 °C 7: 80 percent / HCOOH / 4 h / 20 °C 8: 87 percent / NaHCO3 / ethyl acetate; H2O 9: 89 percent / Zn, HOAc / methanol / 1 h / 60 °C View Scheme

1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 3: 76 percent / NaHCO3 / CH2Cl2 / 20 °C 4: 99 percent / pyridinium paratoluenesulfonate (PTSP) / toluene / 80 °C 5: 100 percent / LiOH, H2O / ethanol / 20 °C 6: 98 percent / DCC, DMAP / toluene / 2 h / 80 °C 7: 78 percent / HCOOH / 4 h / 20 °C 8: 87 percent / NaHCO3 / tetrahydrofuran / 20 °C View Scheme

1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 3: 76 percent / NaHCO3 / CH2Cl2 / 20 °C 4: 99 percent / pyridinium paratoluenesulfonate (PTSP) / toluene / 80 °C 5: 100 percent / LiOH, H2O / ethanol / 20 °C View Scheme

1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 3: 76 percent / NaHCO3 / CH2Cl2 / 20 °C 4: 99 percent / pyridinium paratoluenesulfonate (PTSP) / toluene / 80 °C 5: 100 percent / LiOH, H2O / ethanol / 20 °C 6: 98 percent / DCC, DMAP / toluene / 2 h / 80 °C 7: 78 percent / HCOOH / 4 h / 20 °C 8: 87 percent / NaHCO3 / tetrahydrofuran / 20 °C 9: 90 percent / Zn, HOAc / methanol / 1 h / 60 °C View Scheme

1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr View Scheme

1: 55 percent / BF3*OEt2 / 3 h 2: 85 percent / aq. HCl / ethanol / 6 h / Heating View Scheme

1: 99 percent / NaN3, NH4Cl / ethanol / 8 h / 60 °C 2: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 3: 76 percent / NaHCO3 / CH2Cl2 / 20 °C 4: 99 percent / pyridinium paratoluenesulfonate (PTSP) / toluene / 80 °C 5: 100 percent / LiOH, H2O / ethanol / 20 °C 6: 98 percent / DCC, DMAP / toluene / 2 h / 80 °C 7: 78 percent / HCOOH / 4 h / 20 °C View Scheme