Microwave-assisted facile and rapid Friedel-Crafts benzoylation of arenes catalysed by bismuth trifluoromethanesulfonate

Phoung Hoang Tran, Poul Erik Hansen, Thuy Than Pham, Vy Thanh Huynh, Vy Hieu Huynh, Thao Du Thi Tran, Than Van Huyn, Thach Ngoc Le

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The catalytic activity of metal triflates was investigated in Friedel–Crafts benzoylation under microwave irradiation. Friedel–Crafts benzoylation with benzoyl chloride of a variety of arenes containing electron-rich and electron-poor rings using bismuth triflate under microwave irradiation is described. This method allows the preparation of aryl ketones under solventless conditions in good to excellent yields and short reaction time. Bismuth triflate was easily recovered and reused five times without significant loss of the catalytic activity.
TidsskriftSynthetic Communications
Udgave nummer20
Sider (fra-til)2921-2929
Antal sider9
StatusUdgivet - 2014


  • microwave
  • green chemistry
  • bismuth triflates
  • solvent free

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