Iron and vanadium complexes bearing bidentate ketiminate ligand: Synthesis, structural characterization and catalytic activity for MMA polymerization

Jin In Lee, Ting Yu Lee, Ling Chueh Chang, Che Yu Lin, Hon Man Lee, Lance Hung, Amitabha Datta, Jui Hsien Huang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Two novel iron and vanadium compounds, [OCMeCHCMeNAr]2Fe (1) and [OCMeCHCMeNAr]2VCl (2) have been synthesized by the reaction of FeCl2 with Li[OCMeCHCMeNAr] in THF and VCl3(THF)3 with OCMeCHCMeNHAr, in toluene and triethylamine, respectively, where Ar = 2,6-diisopropylphenyl. Both the complexes have been systematically characterized by elemental analysis, NMR spectroscopy and exhibit paramagnetically shifted resonances, with relative intensities as expected for the η2-ketiminate ligands. Single crystal X-ray structural analysis reveals that compound 1 adopts a distorted tetrahedral geometry consisting with a C2 symmetry where as in 2, the geometry around the vanadium atom can be described as a trigonal bipyramid. Concerning the atom-transfer radical polymerization behavior, complex 1 and 2 shows their catalytic activity on polymerization of methyl methacrylate (MMA) in toluene.

Original languageEnglish
Pages (from-to)207-212
Number of pages6
JournalJournal of Molecular Structure
Volume929
Issue number1-3
DOIs
Publication statusPublished - 2009 Jul 16

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry
  • Inorganic Chemistry

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