2: 1.) 2 mol dm-3 HCl, reflux 3: Sodium methoxide / methanol 5: pyridine 6: NaH / dimethylformamide 8: 77 percent 9: 93 percent / 1 mol dm-3 NaOH / H2O / Heating 10: Mercury (II) chloride, CaCO3 11: NaH 12: 94 percent / H2 / Raney nickel 13: 54 percent / KOH / H2O; ethanol / 144 h / 90 °C 14: 74 percent / LiAlH4 / tetrahydrofuran 15: 72 percent / Cyclohexene / Pd(OH)2/C View Scheme