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Keywords:

  • alkenes;
  • asymmetric hydroformylation;
  • carbonylation;
  • phosphine-phosphite ligands;
  • regioselectivity
Thumbnail image of graphical abstract

Surprising selectivity: The first enantioselective hydroformylations of simple alkenes of type RCH2CH[DOUBLE BOND]CH2 to preferentially deliver the branched aldehyde product have been discovered using a new chiral ligand, named bobphos (see scheme). Established ligands are unselective in this reaction or show a slight preference towards the linear aldehyde.