Facile formation of imidazolinium salt by reaction of corresponding diamine and trimethyl orthoformate in 1,1,1,3,3,3-hexafluoroisopropanol

Kensuke Usui, Masahisa Nakada

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The preparation of imidazolinium salts, which can be used as precursors of pincer-type N-heterocyclic carbene ligands, is described. The formation of imidazolinium salts under standard conditions is difficult, but they have been successfully synthesized by reaction of the corresponding diamines and trimethyl orthoformate in 1,1,1,3,3,3-hexafluoroisopropanol. The synthesis of new chiral C2 symmetric imidazolinium salts is also described.

Original languageEnglish
Pages (from-to)1539-1551
Number of pages13
JournalHeterocycles
Volume8
Issue number2
DOIs
Publication statusPublished - 2014

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

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