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Keywords:

  • C[BOND]H bond activation;
  • electron transfer;
  • oxidation;
  • photocatalysis;
  • ruthenium
Thumbnail image of graphical abstract

The photocatalytic oxidation of organic substrates such as alcohols was conducted in the presence of RuII–aqua complexes as oxidation catalysts, [RuII(bpy)3]2+ as a photosensitizer and electron mediator, and a CoIII complex as a sacrificial oxidant (see scheme). The catalytic systems exhibited high efficiency to achieve turnover numbers of over 8000.