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Keywords:

  • cationic complexes;
  • hydrides;
  • N,P ligands;
  • rare earths
Thumbnail image of graphical abstract

PNP downsizes hydride: Hydrogenolysis of dialkyl precursors results in trinuclear hexahydride complexes A (Me-PNPiPr= {4-Me-2-(iPr2P)-C6H3}2N). Treatment with [NEt3H][BPh4] gives the first cationic trinuclear polyhydrides B. Cationic binuclear trihydride complexes C (only the central structural units are shown in the picture; C black, H blue, O red, Y green) have also been obtained for the first time.