Abstract
An efficient synthesis of bis(indolyl)methanes through Fe III-catalyzed electrophilic substitution reactions of indoles with various aldehydes in ionic liquid is described. It was found that the ionic liquids involving FeCl3·6H2O were the most efficient catalytic systems, and could be simply recycled without significant loss of activity.
Original language | English |
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Pages (from-to) | 1584-1587 |
Number of pages | 4 |
Journal | European Journal of Organic Chemistry |
Issue number | 7 |
DOIs | |
State | Published - 26 Mar 2004 |
Externally published | Yes |
Keywords
- Bis(indolyl)methanes
- Indoles
- Ionic liquids
- Iron