hydrogen; palladium on activated charcoal in ethyl acetate 69 h;

1: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 2: 76 percent / NaHCO3 / CH2Cl2 / 20 °C View Scheme

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

1: 86 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr 2: 76 percent / NaHCO3 / CH2Cl2 / 20 °C 3: 99 percent / pyridinium paratoluenesulfonate (PTSP) / toluene / 80 °C View Scheme

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

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

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

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

hydrogen; palladium on activated charcoal in ethyl acetate P=760 Torr;

1: 95 percent / CH2Cl2; pyridine / 6 h / 20 °C 2: 90 percent / H2 / 10 percent Pd-C / ethanol / 6 h / 2585.74 Torr View Scheme