1: PCl5 / CHCl3 / 72 h / Heating 2: water 3: aq. ammonia / 24 h / 150 °C / bomb 4: 30percent H2O2, fuming H2SO4 / 1.) 10 deg C, several hours, 2.) room temperature, 2 d View Scheme

sulfuric acid; dihydrogen peroxide 1.) 10 deg C, several hours, 2.) room temperature, 2 d; Yield given;

1: water 2: aq. ammonia / 24 h / 150 °C / bomb 3: 30percent H2O2, fuming H2SO4 / 1.) 10 deg C, several hours, 2.) room temperature, 2 d View Scheme

1: aq. ammonia / 24 h / 150 °C / bomb 2: 30percent H2O2, fuming H2SO4 / 1.) 10 deg C, several hours, 2.) room temperature, 2 d View Scheme

potassium permanganate Inert atmosphere;

1: dihydrogen peroxide; acetic acid / water / 27 h / 70 °C / Inert atmosphere 2: sulfuric acid; nitric acid / 7 h / 128 - 130 °C / Inert atmosphere 3: triphenylphosphine / 1,2-bis-(2-hydroxyethoxy)-ethane / 1 h / 200 °C / Inert atmosphere 4: potassium permanganate / Inert atmosphere View Scheme

1: sulfuric acid; nitric acid / 7 h / 128 - 130 °C / Inert atmosphere 2: triphenylphosphine / 1,2-bis-(2-hydroxyethoxy)-ethane / 1 h / 200 °C / Inert atmosphere 3: potassium permanganate / Inert atmosphere View Scheme

1: triphenylphosphine / 1,2-bis-(2-hydroxyethoxy)-ethane / 1 h / 200 °C / Inert atmosphere 2: potassium permanganate / Inert atmosphere View Scheme