Efficient synthesis of bis(indolyl)methanes catalyzed by (PhCH2PPh3)+Br- under solvent-free conditions
- Department of Chemistry, College of Science, University of Guilan, Rasht, Iran
- Department of Chemistry, College of Science, University of Guilan, Rasht, zip code 41335, I.R. Iran.
- Department of Chemistry, Faculty of Sciences, University of Guilan, Rasht, Iran
Abstract
Benzyltriphenylphosphonium bromide (BTPB) has been applied as an efficient catalyst for the preparation of bis(indolyl)methanes (BIMs) via electrophilic substitution of indoles with aldehydes in the absence of solvent.