Efficient Synthesis of Bis(indolyl)methanes Catalyzed by Lewis Acids in Ionic Liquids

Shun Jun Ji*, Min Feng Zhou, Da Gong Gu, Shun Yi Wang, Teck Peng Loh

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

148 Citations (Scopus)

Abstract

Efficient electrophilic substitution reactions of indoles with various aldehydes proceed smoothly in ionic liquids using Lewis acids, In(OTf) 3, YbCl3, InCl3, BiCl3, and ZnCl2, to afford the corresponding bis(indolyl)methanes in high yields.

Original languageEnglish
Pages (from-to)2077-2079
Number of pages3
JournalSynlett
Issue number13
DOIs
Publication statusPublished - 2003
Externally publishedYes

ASJC Scopus Subject Areas

  • Organic Chemistry

Keywords

  • Bis(indolyl)methanes
  • In(OTf)
  • Indoles
  • Ionic liquids
  • Lewis acids

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