Green Protocol for Synthesis of Bis-indolylmethanes and Bis-indolylglycoconjugates in the Presence of Iron(III) Fluoride as a Heterogeneous, Reusable, and Eco-Friendly Catalyst

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Contents Vol 59(11)

doi:10.1071/CH06127

Green Protocol for Synthesis of Bis-indolylmethanes and Bis-indolylglycoconjugates in the Presence of Iron(iii) Fluoride as a Heterogeneous, Reusable, and Eco-Friendly Catalyst

Vinod T. Kamble ^A ^B, Babasaheb P. Bandgar ^A, Satish B. Suryawanshi ^A, Sudhir N. Bavikar ^A

^A Organic Chemistry Research Laboratory, School of Chemical Sciences, Swami Ramanand Teerth Marathwada University, Nanded 431606, India.
^B Corresponding author. Email: vtkd@rediffmail.com





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Australian Journal of Chemistry 59(11) 837–840 http://dx.doi.org/10.1071/CH06127
Submitted: 19 April 2006 Accepted: 21 August 2006 Published online: 17 November 2006

Abstract

An efficient method for the preparation of bis-indolylmethanes and bis-indolylglycoconjugates from carbonyl compounds with indoles in the presence of a catalytic amount of iron(iii) fluoride under solvent-free conditions is reported. The desired products were obtained in high yields with a simple and environmentally benign procedure. The use of iron(iii) fluoride is feasible because of its stability, easy handling, easy recovery, reusability, and good activity.