Synthesis and characterization of mixed ligand cyclopalladates with 2-phenylpyridine and substituted phenanthrolines: Investigation into the hydroxylation reaction of 2-phenylpyridine

The results showed a pseudo-pentacoordinated palladium environment due to the anisobidentate binding of the 2,9-dimethyl-1,10-phenanthroline

Antonia Garypidou; Konstantinos Ypsilantis; Theodoros Tsolis; Andreas Kourtellaris; John C. Plakatouras; Achilleas Garoufis

2021

Scholarcy highlights

  • Mixed ligand cyclopalladates with 2-phenylpyridine and phenanthrolines were synthesized and characterized both in solid state and solution
  • The results showed a pseudo-pentacoordinated palladium environment due to the anisobidentate binding of the 2,9-dimethyl-1,10-phenanthroline
  • The complexPF6, was isolated from the hydroxylation reaction mixture and could potentially imply that the reaction mechanism includes the formation of high-valent palladium species with Pd-OH bond(s)
  • The complexes were examined for their activity in hydroxylation reaction of 2-phenylpyridine
  • The isolation of the mixed ligand palladium complex with 1,10-phenanthroline and 2-(2-pyridyl)phenol directly from the reaction mixture could imply that the reaction mechanism includes the formation of high valent palladium hydroxo-species

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