Catalysis Letters

, Volume 122, Issue 3–4, pp 310–313 | Cite as

Chloroferrate(III) Ionic Liquid: Efficient and Recyclable Catalyst for Solvent-free Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones

Article

Abstract

A water-tolerant Lewis acidic ionic liquid, [bmim][FeCl4], was found to be an efficient and recyclable catalyst in the synthesis of 4-aryl-dihydropyrimidinones through Biginelli condensation. This method is capable of being scaled up, if desired.

Keywords

Biginelli reaction Dihydropyrimidinones Ionic liquid Lewis acid Green chemistry 

Notes

Acknowledgments

Financial support for this work from the National Basic Research Program of China (2003CB114402), National Key Technology R&D Program of China (2006BAE01A01-8), and Shanghai Educational Committee are gratefully acknowledged.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Shanghai Key Laboratory of Chemical Biology, School of PharmacyEast China University of Science & TechnologyShanghaiP.R. China

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