Stereoelectronic and catalytic properties of chiral cyclometalated phospha-palladium and -platinum complexes

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Author(s)

  • Yu-Xiang Jia
  • Bin-Bin Li
  • Yongxin Li
  • Sumod A. Pullarkat
  • Kai Xu
  • Pak-Hing Leung

Detail(s)

Original languageEnglish
Pages (from-to)6053-6058
Journal / PublicationOrganometallics
Volume33
Issue number21
Publication statusPublished - 10 Nov 2014
Externally publishedYes

Abstract

The stereoelectronic properties of palladium(II) and platinum(II) complexes containing ortho-metalated (1-(diphenylphosphino)ethyl)naphthalene were examined by X-ray crystallography in the solid state and by NMR spectroscopy in solution. The studies revealed that the aromatic carbon induced a significantly stronger electronic trans-influence than the phosphorus donor within the same five-membered chelate. Both the organopalladium and organoplatinum chelate complexes were formed with classical hard oxygen and soft phosphorus donor atoms. Computational studies further confirmed the observations in the solid state and solution that the C-metal bond in the trans C-Pt-O moiety has a stronger π-character than that in the trans C-Pt-P moiety. Both organometallic units are efficient catalysts for the asymmetric P-H addition reaction. They showed almost identical efficiency in dichloromethane, but their reactivity in THF is markedly different.

Citation Format(s)

Stereoelectronic and catalytic properties of chiral cyclometalated phospha-palladium and -platinum complexes. / Jia, Yu-Xiang; Li, Bin-Bin; Li, Yongxin et al.
In: Organometallics, Vol. 33, No. 21, 10.11.2014, p. 6053-6058.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review