FeCl3-catalyzed Pechmann synthesis of coumarins in ionic liquids

Vineet Kumar, Shilpi Tomar, Ronak Patel, Ahmad Yousaf, Virinder S. Parmar, Sanjay V. Malhotra

Research output: Contribution to journalArticlepeer-review

45 Scopus citations


The synthesis of coumarin derivatives via Pechmann reaction using anhydrous FeCl3 as Lewis acid catalyst in ionic liquid medium has been carried out. The best results were obtained (yields as high as 89%) with ionic liquids having bis(triflic)imide as a counteranion. The ionic liquid could easily be recovered and reused.

Original languageEnglish (US)
Pages (from-to)2646-2654
Number of pages9
JournalSynthetic Communications
Issue number15
StatePublished - Jan 2008
Externally publishedYes


  • Coumarins
  • Ionic liquids
  • Pachmann condensation
  • Recyclability

ASJC Scopus subject areas

  • Organic Chemistry


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