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Nano-Ordered MCM-41-SO3H as a Heterogeneous and Efficient Catalyst for Synthesis of Bis(indolyl)methanes Under Solvent-Free Conditions
Published: 31 October 2011 by MDPI in The 15th International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis
Abstract: Nano-ordered MCM-41 anchored sulfonic acid (MCM-41-SO3H) was found to be an efficient catalyst for condensation of indoles with various carbonyl compounds to afford the corresponding bis(indolyl)methanes in high yields under solvent-free conditions using ball milling at room temperature.
Keywords: Nano-ordered MCM-41-SO3H, Solid Acid, Bis(indolyl)methanes, Solvent-Free Coditions, Ball-Milling, Green Chemistry