Application of Triphenylammonium Tricyanomethanide as an Efficient and Recyclable Nanostructured Molten-Salt Catalyst for the Synthesis of N-Benzylidene-2-arylimidazo[1,2-a] pyridin-3-amines

Saeed Baghery, Mohammad Ali Zolfigol, Romana Schirhagl, Masoumeh Hasani

Research output: Contribution to journalLetterAcademicpeer-review

10 Citations (Scopus)

Abstract

Triphenylammonium tricyanomethanide (Ph3NH)[C(CN)3] was synthesized and used as an efficient and recyclable nanostructured molten-salt (NMS) catalyst for the synthesis of N-benzylidene-2-arylimidazo[1,2-a] pyridin-3-amines by the reaction of various (het) aryl aldehydes with trimethylsilyl cyanide and pyridin-2-amine under solvent-free conditions at 50 degrees C. The NMS catalyst could be simply recycled and reused several times without significant loss of its catalytic activity.

Original languageEnglish
Pages (from-to)1173-1176
Number of pages4
JournalSynlett
Volume28
Issue number10
DOIs
Publication statusPublished - Jun-2017

Keywords

  • triphenylammonium tricyanomethanide
  • imidazopyridines
  • nanostructured molten salt
  • aldehydes
  • pyridinamine
  • organocatalysis
  • TEMPERATURE IONIC LIQUIDS
  • ANOMERIC BASED OXIDATION
  • 3-COMPONENT REACTION
  • ANTIVIRAL ACTIVITY
  • DERIVATIVES
  • INHIBITORS
  • PYRIDINES
  • SOLVENTS
  • BONDS

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