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Keywords:

  • catalysis;
  • cross couplings;
  • iron;
  • reaction mechanisms
Thumbnail image of graphical abstract

Catalyzing cross couplings: The catalytic activity of well-defined low-valent iron complexes in cross-coupling reactions has been investigated. The results show that labile ligands in the catalyst precursor are beneficial for high catalytic activity. Thus, anionic iron(−I) complexes with labile anthracene ligands are competent precatalysts for cross couplings that involve alkyl, aryl, and alkenyl electrophiles.