Cyclopalladation of N,N,N′,N′-tetramethylisophthalthioamide

Shino Takahashi, Matsuo Nonoyama, Masakazu Kita

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

N,N,N′,N′-Tetramethylisophthalthioamide (Hmpt) was cyclopalladated with PdCl2 in hot dimethylsulphoxide to give [PdCl(mpt)]. The structure was determined by X-ray analysis. The thioamide is metallated at C(2) to act as an S528-01C528-02S tridentate anionic ligand. There is appreciable steric repulsion between the benzene ring H(4, 6) and the dimethylamino groups. The hydrogens and the methyl groups mutually deviate from the coordination plane in opposite directions. The stability of the fused 5,5-membered chelate ring formed by the S528-03C528-04S ligand seems to overcome the steric hindrance. Derivatives were prepared by replacement of the chloride ion with iodide, diethyldithiocarbamate, 4-tert-butylpyridine, or tri-n-butylphosphine, and characterized spectroscopically. The S528-05C528-06S-fused chelate ring was maintained in these derivatives.

Original languageEnglish
Pages (from-to)528-532
Number of pages5
JournalTransition Metal Chemistry
Volume20
Issue number6
DOIs
Publication statusPublished - Dec 1 1995
Externally publishedYes

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Metals and Alloys
  • Materials Chemistry

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