1: BH3*THF / tetrahydrofuran / 7 h / 0 °C 2: 21.5 g / H2O2; NaOH / H2O / 0 - 20 °C 3: 95 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 15 h / 20 °C 4: 75 percent / PtO2; H2 / ethanol / 2 h / 20 °C 5: 92 percent / pyridine / CH2Cl2 / 3 h / Heating 6: 96 percent / tetra-n-butylammmonium fluoride / tetrahydrofuran / 6 h / 20 °C 7: 66 percent / o-iodoxybenzoic acid / 14 h / 20 °C 8: 78 percent / HCl / methanol / 1 h / 20 °C 9: 77 percent / diethyl azodicarboxylate; PPh3 / tetrahydrofuran / 3 h / 20 °C View Scheme

1: 95 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 15 h / 20 °C 2: 75 percent / PtO2; H2 / ethanol / 2 h / 20 °C 3: 92 percent / pyridine / CH2Cl2 / 3 h / Heating 4: 96 percent / tetra-n-butylammmonium fluoride / tetrahydrofuran / 6 h / 20 °C 5: 66 percent / o-iodoxybenzoic acid / 14 h / 20 °C 6: 78 percent / HCl / methanol / 1 h / 20 °C 7: 77 percent / diethyl azodicarboxylate; PPh3 / tetrahydrofuran / 3 h / 20 °C View Scheme

1: 92 percent / pyridine / CH2Cl2 / 3 h / Heating 2: 96 percent / tetra-n-butylammmonium fluoride / tetrahydrofuran / 6 h / 20 °C 3: 66 percent / o-iodoxybenzoic acid / 14 h / 20 °C 4: 78 percent / HCl / methanol / 1 h / 20 °C 5: 77 percent / diethyl azodicarboxylate; PPh3 / tetrahydrofuran / 3 h / 20 °C View Scheme

1: 75 percent / PtO2; H2 / ethanol / 2 h / 20 °C 2: 92 percent / pyridine / CH2Cl2 / 3 h / Heating 3: 96 percent / tetra-n-butylammmonium fluoride / tetrahydrofuran / 6 h / 20 °C 4: 66 percent / o-iodoxybenzoic acid / 14 h / 20 °C 5: 78 percent / HCl / methanol / 1 h / 20 °C 6: 77 percent / diethyl azodicarboxylate; PPh3 / tetrahydrofuran / 3 h / 20 °C View Scheme

1: 78 percent / HCl / methanol / 1 h / 20 °C 2: 77 percent / diethyl azodicarboxylate; PPh3 / tetrahydrofuran / 3 h / 20 °C View Scheme

1: 66 percent / o-iodoxybenzoic acid / 14 h / 20 °C 2: 78 percent / HCl / methanol / 1 h / 20 °C 3: 77 percent / diethyl azodicarboxylate; PPh3 / tetrahydrofuran / 3 h / 20 °C View Scheme

1: 96 percent / tetra-n-butylammmonium fluoride / tetrahydrofuran / 6 h / 20 °C 2: 66 percent / o-iodoxybenzoic acid / 14 h / 20 °C 3: 78 percent / HCl / methanol / 1 h / 20 °C 4: 77 percent / diethyl azodicarboxylate; PPh3 / tetrahydrofuran / 3 h / 20 °C View Scheme

1: 90 percent / imidazole / dimethylformamide / 12 h / 20 °C 2: BH3*THF / tetrahydrofuran / 7 h / 0 °C 3: 21.5 g / H2O2; NaOH / H2O / 0 - 20 °C 4: 95 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 15 h / 20 °C 5: 75 percent / PtO2; H2 / ethanol / 2 h / 20 °C 6: 92 percent / pyridine / CH2Cl2 / 3 h / Heating 7: 96 percent / tetra-n-butylammmonium fluoride / tetrahydrofuran / 6 h / 20 °C 8: 66 percent / o-iodoxybenzoic acid / 14 h / 20 °C 9: 78 percent / HCl / methanol / 1 h / 20 °C 10: 77 percent / diethyl azodicarboxylate; PPh3 / tetrahydrofuran / 3 h / 20 °C View Scheme

1: 93 percent / potassium t-butoxide / dimethylformamide / 2 h / 0 - 5 °C 2: 97 percent / acetic acid; cc. HCl / 11 h / 80 °C View Scheme

1: 89 percent / pyridinium hydrobromide perbromide / CHCl3 / 1 h / 15 - 30 °C 2: 28 percent / potassium carbonate / CHCl3 / 96 h / Heating 3: 61 percent / cc. sulfuric acid / acetic acid / 51 h / 70 °C View Scheme