1: 62 percent / H2, HCl / 10percent Pd/C / methanol 2: 60 percent / AgO, HNO3 / tetrahydrofuran / 0.17 h / Ambient temperature 3: 75 percent / LiOH, H2O / tetrahydrofuran / 5 h / Ambient temperature View Scheme

1: 62 percent / H2, HCl / 10percent Pd/C / methanol 2: 60 percent / AgO, HNO3 / tetrahydrofuran / 0.17 h / Ambient temperature 3: 75 percent / LiOH, H2O / tetrahydrofuran / 5 h / Ambient temperature 4: NH4OH / H2O / 0.5 h / Ambient temperature View Scheme

1: 62 percent / H2, HCl / 10percent Pd/C / methanol 2: 60 percent / AgO, HNO3 / tetrahydrofuran / 0.17 h / Ambient temperature View Scheme