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Keywords:

  • catalysis;
  • hydrogenation;
  • methanol;
  • pincer complexes;
  • urea derivatives
Thumbnail image of graphical abstract

Indirect CO2hydrogenation: Hydrogenation of urea derivatives to the corresponding amines and methanol is reported (see picture). The reaction is catalyzed by a bipyridine-based tridentate PNN Ru(II) pincer complex and proceeds under mild, neutral conditions using 13.6 atm of H2. A mild approach is offered for the indirect hydrogenation of CO2 to methanol as urea derivatives are available from CO2.