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Keywords:

  • amides;
  • heterogeneous catalysis;
  • oxygenation;
  • ruthenium;
  • sustainable chemistry
Thumbnail image of graphical abstract

Supporting green chemistry: The supported ruthenium hydroxide Ru(OH)x/Al2O3 acts as an efficient heterogeneous catalyst for the oxygenation of primary amines to primary amides (see scheme). Various primary amines (including aromatic, aliphatic, and heterocyclic) are converted in aqueous media, using air as the sole oxidant and producing only water as a by-product.