Fluxional behavior of platinum(0) complexes: Intra vs intermodular reaction pathways

Olena V. Zenkina, Leonid Konstantinovski, Dalia Freeman, Linda J.W. Shimon, Milko E. Van Der Boom

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The fluxional behavior of two analogous platinum complexes has been studied in solution by NMR spectroscopy to elucidate the reaction mechanism and to determine the activation parameters. This includes variable temperature NMR spectroscopy, 2D 1H-1H exchange spectroscopy, and spin saturation transfer measurements. A platinum moiety, Pt(PEt3) 2, translocates between two carbon-carbon double bonds of two vinylpyridine moieties bridged by an arene (i.e., phenyl, anthracene) at elevated temperatures. Magnetization transfer NMR experiments in the presence of free ligands unambiguously revealed an intramolecular pathway for the "phenyl" system. An intermolecular pathway is proposed for the "anthracene" complex.

Original languageEnglish
Pages (from-to)3815-3822
Number of pages8
JournalInorganic Chemistry
Volume47
Issue number9
DOIs
Publication statusPublished - May 5 2008

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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