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Imidazolium-benzimidazolates as convenient sources of donor-functionalised normal and abnormal N-heterocyclic carbenes.

Kunal KurejaJulian ZinkeClemens BruhnUlrich Siemeling
Published in: Chemical communications (Cambridge, England) (2019)
Imidazolium-benzimidazolates are readily available conjugated mesomeric betaines, whose carbenic tautomers can form C,Nimine-metal chelates containing amino-functionalised normal or abnormal NHC ligands, depending on the degree of steric congestion. Deprotonation of the amino moiety gives rise to imine-functionalised C,Namido-metal chelates, whose Nimine atom can be easily utilised for the construction of heteronuclear complexes.
Keyphrases
  • ionic liquid
  • photodynamic therapy
  • molecular dynamics
  • drinking water