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Trifluoromethylation of Perfluorinated Diacylfluorides: Synthesis of the Diketone CF3C(O)CF2C(O)CF3 and of New Perfluorinated Diol (CF3)2C(OH)CF2C(OH)(CF3)2

Sandra Corti, William T. Pennington, Darryl D. DesMarteau

Abstract


Perfluoromalonyl difluoride reacts with TMS-CF3 (1:1) in the presence of KF to give the new diketone CF2(C(O)CF3)2. A large excess (5:1) of TMS-CF3 results in the presumed potassium dialkoxide [(CF3)2COK]2CF2 which yields the 1,3-ditertiarydiol [(CF3)2C(OH)]2CF2 on reaction with H2SO4.


Keywords


Perfluoromalonyl difluoride, trifluoromethylated diketone, 1,3-ditertiarydiola

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Copyright (c) 2013 Sandra Corti, William T. Pennington, Darryl D. DesMarteau

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