platinum(IV) oxide; oxygen in 1,4-dioxane; water T=55°C; 30 h;

Multi-step reaction with 4 steps 1: AgF, (C5H5)3P, allylpalladium chloride dimer / acetonitrile / 3 h / Ambient temperature2: 1.) 9-borabicyclo<3.3.1>nonane 2.) 30percent H2O2, 6N NaOH / 1.) THF, RT, 20 h 2.) ethanol, RT, 30 min3: Ba(OH)2 / ethanol; H2O / 30 h / 80 °C4: triethylamine / tetrahydrofuran / 20 h / Ambient temperature  

Multi-step reaction with 3 steps 1: 1.) 9-borabicyclo<3.3.1>nonane 2.) 30percent H2O2, 6N NaOH / 1.) THF, RT, 20 h 2.) ethanol, RT, 30 min2: Ba(OH)2 / ethanol; H2O / 30 h / 80 °C3: triethylamine / tetrahydrofuran / 20 h / Ambient temperature