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Keywords:

  • acid–base catalysts;
  • hydrophosphinylation;
  • hydrophosphonylation;
  • magnesium;
  • P ligands
Thumbnail image of graphical abstract

Supramolecular catalysts relying on cooperation between Mg ions and a chelating complex (represented by carp in the picture) were developed by K. Ishihara and co-workers in their Communication on page 4549 ff. The enantioselective 1,4-hydrophosphinylation of α,β-unsaturated esters with diaryl phosphine oxides and 1,2-hydrophosphonylation of α,β-unsaturated ketones with dialkyl phosphites was achieved using chiral 3:2 complexes of (R)-(H8-)BINOLate/MgII ions.