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Keywords:

  • autoxidations;
  • iron;
  • radicals

Graphical Abstract

Thumbnail image of graphical abstract

Hydrogen-atom abstraction by hydroxyl radicals takes place to generate both tert- and sec-adamantyl radicals in Gif-type oxygenation of adamantane by H2O2 in pyridine/trifluoroacetic acid when the reaction is mediated by [Fe(O2CCF3)2(py)4] or [Fe2O(O2CCF3)4(py)6], which are formed by dissociation of [Fe3O(O2CCF3)6(L)3] in pyridine (L=H2O, DMSO; see scheme).