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Keywords:

  • aldehydes;
  • amides;
  • heterogeneous catalysis;
  • rhodium;
  • supported catalysts
Thumbnail image of graphical abstract

Dehydration/Rehydration in Water: Supported rhodium hydroxide (Rh(OH)x/Al2O3) is an effective heterogeneous catalyst for the synthesis of primary amides from aldoximes and aldehydes in water in a reaction that is entirely free of hazardous and carcinogenic organic solvents (see scheme).