1: With sodium hypochlorite; tetrabutylammomium bromide; sodium bromide; 2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium hydrogencarbonate in dichloromethane T=0 - 20°C; 1 h; 2: With sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene in tetrahydrofuran; water; tert-butyl alcohol T=20°C; Further stages.;

1: aq. HClO4 / acetone / 2 h / 20 °C 2: aq. NaHCO3; NaClO; TEMPO / KBr / ethyl acetate / 3 h / 20 °C View Scheme

1: aq. HClO4 / acetone / 2.5 h / 20 °C 2: aq. HClO4 / acetone / 2 h / 20 °C 3: aq. NaHCO3; NaClO; TEMPO / KBr / ethyl acetate / 3 h / 20 °C View Scheme