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Keywords:

  • cross-coupling;
  • Grignard reagents;
  • homogeneous catalysis;
  • phosphines;
  • regioselectivity
Thumbnail image of graphical abstract

Palladium catalysts bearing dihydroxyterphenylphosphine ligands (such as 1) are reported for the ortho-selective cross-coupling of Grignard reagents and dihaloarenes. The second hydroxy group onto the terphenylphosphine ligand dramatically improved the catalytic efficiency and expanded the scope of the reaction.