Author/Authors :
Chatel، نويسنده , , Gregory and Goux-Henry، نويسنده , , Catherine and Kardos، نويسنده , , Nathalie and Suptil، نويسنده , , Joel and Andrioletti، نويسنده , , Bruno and Draye، نويسنده , , Micheline، نويسنده ,
Abstract :
In this proof of concept study, the advantageous properties of both H2O2/NaHCO3/imidazole/Mn(TPP)OAc oxidation system and MOPyrroNTf2 ionic liquid have been combined under ultrasonic irradiation to give an exceptionally favorable environment for Mn(TPP)OAc catalyzed olefin oxidations. The results reveal the crucial role played by the ultrasonic irradiations that influence drastically the oxidation process. In MOPyrroNTf2 and under ultrasonic irradiation, the mechanism probably involves an oxo-manganyl intermediate at the expense of the classical bicarbonate-activated peroxide route.
Keywords :
alkenes , Ultrasound , Mn porphyrin , epoxidation , Ionic liquids
