Neutral palladium(II) complexes with P,N Schiff-base ligands: Synthesis, characterization and application as Suzuki–Miyaura coupling catalysts

Palladium(II) complexes of the general formulae [PdCl2(P∧N)] and [Pd(Me)Cl(P∧N)] were obtained from bidentate ligands bearing phosphine and imine donor groups. The complexes were shown to be highly active catalysts for the Suzuki–Miyaura cross-coupling reaction. The complexes are tolerant of a wide variety of reaction conditions such as solvent, choice of base as well as substituents on both arylboronic acids and aryl halides.

Palladium(II) complexes of the general formulae [PdCl2(P∧N)] and [Pd(Me)Cl(P∧N)] were obtained from bidentate ligands bearing phosphine and imine donor groups. The complexes were shown to be highly active catalysts for the Suzuki–Miyaura cross-coupling reaction. The complexes are tolerant of a wide variety of reaction conditions such as solvent, choice of base as well as substituents on both arylboronic acids and aryl halides.Figure optionsDownload as PowerPoint slideHighlights
► Bidentate iminophosphine ligands have been prepared.
► Neutral palladium(II) chloromethyl complexes were synthesized containing iminophosphine ligands.
► The palladium complexes have been used in Suzuki–Miyaura coupling reactions.
► The catalysts are highly active and tolerant of various reaction conditions.