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Keywords:

  • C[BOND]H activation;
  • carboxylates;
  • polydentate ligands;
  • ruthenium;
  • water chemistry
Thumbnail image of graphical abstract

In water it's better: In-situ-generated [Ru(O2CR)2(arene)] catalysts efficiently perform the direct ortho-arylation of functional arenes with chloroarenes or chloroheterocycles in water (see scheme; KOPiv=potassium pivalate), without the need for a surfactant. The activity of these catalysts is higher in water than in organic solvents.