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Keywords:

  • asymmetric catalysis;
  • hydrogenation;
  • imines;
  • iron;
  • organocatalysis
Thumbnail image of graphical abstract

Modern metal catalysis combined with organocatalysis mediated by a chiral Brønsted acid offers an attractive and environmentally favorable alternative to well-established asymmetric hydrogenations with catalysts based on precious metals. M. Beller and co-workers describe in their communication on page 5120 ff. how the key to success is the cooperative action of specific well-defined achiral iron complexes and chiral bulky phosphoric acid esters.