1: 90 percent / H2 / Pd / diethyl ether / 24 h 2: 91 percent / CH3ONa / methanol / 0.5 h / Ambient temperature 3: 73 percent / TPP, DEAD, HN3 / benzene / 0.5 h / 60 °C 4: 1) LiAlH4 / 1) ether, 10 min, r.t., 2) pyridine, 3 h, r.t. 5: cationic exchanger (H(+)) / methanol / 24 h View Scheme

1: 65 percent / pyridine / 16 h / 75 °C 2: 90 percent / H2 / Pd / diethyl ether / 24 h 3: 91 percent / CH3ONa / methanol / 0.5 h / Ambient temperature 4: 73 percent / TPP, DEAD, HN3 / benzene / 0.5 h / 60 °C 5: 1) LiAlH4 / 1) ether, 10 min, r.t., 2) pyridine, 3 h, r.t. 6: cationic exchanger (H(+)) / methanol / 24 h View Scheme

cationic exchanger (H(+)) in methanol 24 h;

1: 73 percent / TPP, DEAD, HN3 / benzene / 0.5 h / 60 °C 2: 1) LiAlH4 / 1) ether, 10 min, r.t., 2) pyridine, 3 h, r.t. 3: cationic exchanger (H(+)) / methanol / 24 h View Scheme

1: 91 percent / CH3ONa / methanol / 0.5 h / Ambient temperature 2: 73 percent / TPP, DEAD, HN3 / benzene / 0.5 h / 60 °C 3: 1) LiAlH4 / 1) ether, 10 min, r.t., 2) pyridine, 3 h, r.t. 4: cationic exchanger (H(+)) / methanol / 24 h View Scheme

1: 1) LiAlH4 / 1) ether, 10 min, r.t., 2) pyridine, 3 h, r.t. 2: cationic exchanger (H(+)) / methanol / 24 h View Scheme

2: pyridine 3: NaH / dimethylformamide 5: 77 percent 6: 93 percent / 1 mol dm-3 NaOH / H2O / Heating 7: Mercury (II) chloride, CaCO3 8: NaH 9: 94 percent / H2 / Raney nickel 10: 54 percent / KOH / H2O; ethanol / 144 h / 90 °C 11: 74 percent / LiAlH4 / tetrahydrofuran 12: 72 percent / Cyclohexene / Pd(OH)2/C View Scheme