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Paper | Regular issue | Vol 34, No. 2, 1992, pp.259-264
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5680
Elecrophilic Substitution of Indoles: Part XI. Lewis Acid Induced Reaction of Skatole with Bezil

Asima Chatterjee,* Ratna Chakrabarti, Biswanath Das, Sanchayita Kanrar, Julie Banerji, Herbert Budzikiewicz, Alain Neuman, and Thierry Prangé

*Department of Pure Chemistry, University College of Science, 92 Acharya Prafulla Chandra Road, Calcutta-700009, India


The electrophilic substitution of 3-methylindole with benzil in the presence of BF3·Et2O resulted in a novel heterocyclic system incorporating a stable boron difluoride chelate. The structure was established from spectral analysis (1H-, 13C-, 11B-, 19F-nmr) and X-ray crystallographic analysis.