Soft scorpionate ligands based on imidazole-2-thione donors

M.D. Spicer, J. Reglinski

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136 Citations (Scopus)


This review describes the development. of the anionic soft scorpionate ligand hydrotris(methimazolyl)borate (Tm-Mc), its N-alkyl and N-aryl congeners and draws comparisons where appropriate with its close relatives, the dihydrobis(methimazolyl)borates (Bm(R)). Key features of the interaction of these species with metal centres, including bonding modes, electron-donor properties, M center dot center dot center dot H-B interactions, ligand degradation and metallaboratrane formation are addressed and a summary of the coordination chemistry of these species with both main (Foul) and transition metals is given.
Original languageEnglish
Pages (from-to)1553-1574
Number of pages21
JournalEuropean Journal of Inorganic Chemistry
Issue number12
Publication statusPublished - Apr 2009


  • tripodal ligands
  • S ligands
  • scorpionate ligands
  • imidazole-2-thione
  • metal complexes
  • transition metals
  • coordination modes


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