Author/Authors :
Jin، نويسنده , , Hong and Zhao، نويسنده , , Haoyu and Zhao، نويسنده , , Feihu and Li، نويسنده , , Shihong and Liu، نويسنده , , Wei and Zhou، نويسنده , , Guoping and Tao، نويسنده , , Ke-Jun Hou، نويسنده , , Taiping، نويسنده ,
Abstract :
An efficient epoxidation of chalcones with urea-hydrogen peroxide (UHP) under ultrasound irradiation was carried out in 78–93% yields. Compared with the classical method, the advantages of protocol are to use a safer oxidant, mild conditions, no toxic solvent and shorter reaction time.
Keywords :
epoxidation , Chalcones , Urea-hydrogen peroxide , Ultrasound irradiation
