sodium hypochlorite; disodium hydrogenphosphate; tetra(n-butyl)ammonium hydrogensulfate in chloroform 5 h; Ambient temperature;

1: 12.9 percent / 0.25 h / 250 °C 2: 10percent Pd/C / 3 h / 330 - 350 °C 3: 10 percent / aq. NaOCl / tetrabutylammonium hydrogen sulfate / CHCl3 / 5 h / Ambient temperature View Scheme

1: 12.9 percent / 0.25 h / 250 °C 2: 10percent Pd/C / 3 h / 330 - 350 °C 3: 10 percent / aq. NaOCl / tetrabutylammonium hydrogen sulfate / CHCl3 / 5 h / Ambient temperature View Scheme

1: 10percent Pd/C / 3 h / 330 - 350 °C 2: 10 percent / aq. NaOCl / tetrabutylammonium hydrogen sulfate / CHCl3 / 5 h / Ambient temperature View Scheme

1: 79 percent / N-bromoacetamid (NBA), aq. HCl / tetrahydrofuran / 1 h / 0 - 5 °C 2: pyridine / 16 h / 0 - 5 °C 3: 1 percent / NaOMe / tetrahydrofuran / 45 h / 0 - 5 °C 4: 10 percent / aq. NaOCl / tetrabutylammonium hydrogen sulfate / CHCl3 / 5 h / Ambient temperature View Scheme

1: 90 percent / conc. HCl, HOAc / 2.5 h / 65 °C 2: 79 percent / N-bromoacetamid (NBA), aq. HCl / tetrahydrofuran / 1 h / 0 - 5 °C 3: pyridine / 16 h / 0 - 5 °C 4: 1 percent / NaOMe / tetrahydrofuran / 45 h / 0 - 5 °C 5: 10 percent / aq. NaOCl / tetrabutylammonium hydrogen sulfate / CHCl3 / 5 h / Ambient temperature View Scheme

1: pyridine / 16 h / 0 - 5 °C 2: 1 percent / NaOMe / tetrahydrofuran / 45 h / 0 - 5 °C 3: 10 percent / aq. NaOCl / tetrabutylammonium hydrogen sulfate / CHCl3 / 5 h / Ambient temperature View Scheme

1: 1 percent / NaOMe / tetrahydrofuran / 45 h / 0 - 5 °C 2: 10 percent / aq. NaOCl / tetrabutylammonium hydrogen sulfate / CHCl3 / 5 h / Ambient temperature View Scheme