iodine; nitric acid in 1,4-dioxane 3 h; Heating;

1: 62 percent / triethylamine, 4-dimethylaminopyridine (DMAP) / dimethylformamide / Ambient temperature 2: 85 percent / red mercuric oxide, mercuric chloride / tetrahydrofuran; H2O / 0.08 h / 0 °C 3: 70 percent / sodium borohydride / ethanol; H2O / 0.5 h / Ambient temperature 4: 81 percent / pyridine / 3.5 h / 103 °C 5: 98.5 percent / 4-dimethylaminopyridine (DMAP) / acetonitrile / Ambient temperature 6: 27 percent / α,α-azobis(isobutyronitrile) (AIBN), tributyltin hydride / toluene / 3 h / 75 - 80 °C 7: 61 percent / dichloroacetic acid / CH2Cl2 / 0.5 h / Ambient temperature 8: 90 percent / tetrabutylammonium fluoride / tetrahydrofuran 9: 46 percent / iodine, nitric acid / dioxane / 3 h / Heating View Scheme

1: 1.) hexamethylphosphoramide (HMPA), n-butyllithium / 1.) THF, hexane, -78 deg C, 1 h, 2.) 90 min 2: 90 percent / trifluoroacetic acid / butan-1-ol / 0.17 h / Ambient temperature 3: 62 percent / triethylamine, 4-dimethylaminopyridine (DMAP) / dimethylformamide / Ambient temperature 4: 85 percent / red mercuric oxide, mercuric chloride / tetrahydrofuran; H2O / 0.08 h / 0 °C 5: 70 percent / sodium borohydride / ethanol; H2O / 0.5 h / Ambient temperature 6: 81 percent / pyridine / 3.5 h / 103 °C 7: 98.5 percent / 4-dimethylaminopyridine (DMAP) / acetonitrile / Ambient temperature 8: 27 percent / α,α-azobis(isobutyronitrile) (AIBN), tributyltin hydride / toluene / 3 h / 75 - 80 °C 9: 61 percent / dichloroacetic acid / CH2Cl2 / 0.5 h / Ambient temperature 10: 90 percent / tetrabutylammonium fluoride / tetrahydrofuran 11: 46 percent / iodine, nitric acid / dioxane / 3 h / Heating View Scheme

1: 85 percent / red mercuric oxide, mercuric chloride / tetrahydrofuran; H2O / 0.08 h / 0 °C 2: 70 percent / sodium borohydride / ethanol; H2O / 0.5 h / Ambient temperature 3: 81 percent / pyridine / 3.5 h / 103 °C 4: 98.5 percent / 4-dimethylaminopyridine (DMAP) / acetonitrile / Ambient temperature 5: 27 percent / α,α-azobis(isobutyronitrile) (AIBN), tributyltin hydride / toluene / 3 h / 75 - 80 °C 6: 61 percent / dichloroacetic acid / CH2Cl2 / 0.5 h / Ambient temperature 7: 90 percent / tetrabutylammonium fluoride / tetrahydrofuran 8: 46 percent / iodine, nitric acid / dioxane / 3 h / Heating View Scheme

1: 90 percent / trifluoroacetic acid / butan-1-ol / 0.17 h / Ambient temperature 2: 62 percent / triethylamine, 4-dimethylaminopyridine (DMAP) / dimethylformamide / Ambient temperature 3: 85 percent / red mercuric oxide, mercuric chloride / tetrahydrofuran; H2O / 0.08 h / 0 °C 4: 70 percent / sodium borohydride / ethanol; H2O / 0.5 h / Ambient temperature 5: 81 percent / pyridine / 3.5 h / 103 °C 6: 98.5 percent / 4-dimethylaminopyridine (DMAP) / acetonitrile / Ambient temperature 7: 27 percent / α,α-azobis(isobutyronitrile) (AIBN), tributyltin hydride / toluene / 3 h / 75 - 80 °C 8: 61 percent / dichloroacetic acid / CH2Cl2 / 0.5 h / Ambient temperature 9: 90 percent / tetrabutylammonium fluoride / tetrahydrofuran 10: 46 percent / iodine, nitric acid / dioxane / 3 h / Heating View Scheme

1: 90 percent / tetrabutylammonium fluoride / tetrahydrofuran 2: 46 percent / iodine, nitric acid / dioxane / 3 h / Heating View Scheme

1: 61 percent / dichloroacetic acid / CH2Cl2 / 0.5 h / Ambient temperature 2: 90 percent / tetrabutylammonium fluoride / tetrahydrofuran 3: 46 percent / iodine, nitric acid / dioxane / 3 h / Heating View Scheme

1: 98.5 percent / 4-dimethylaminopyridine (DMAP) / acetonitrile / Ambient temperature 2: 27 percent / α,α-azobis(isobutyronitrile) (AIBN), tributyltin hydride / toluene / 3 h / 75 - 80 °C 3: 61 percent / dichloroacetic acid / CH2Cl2 / 0.5 h / Ambient temperature 4: 90 percent / tetrabutylammonium fluoride / tetrahydrofuran 5: 46 percent / iodine, nitric acid / dioxane / 3 h / Heating View Scheme

1: 81 percent / pyridine / 3.5 h / 103 °C 2: 98.5 percent / 4-dimethylaminopyridine (DMAP) / acetonitrile / Ambient temperature 3: 27 percent / α,α-azobis(isobutyronitrile) (AIBN), tributyltin hydride / toluene / 3 h / 75 - 80 °C 4: 61 percent / dichloroacetic acid / CH2Cl2 / 0.5 h / Ambient temperature 5: 90 percent / tetrabutylammonium fluoride / tetrahydrofuran 6: 46 percent / iodine, nitric acid / dioxane / 3 h / Heating View Scheme