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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Ionic Liquid/Silica Sulfuric Acid Promoted Fast Synthesis of a Biginelli-Like Scaffold Reaction

Author(s): Ahmad Shaabani, Afshin Sarvary, Abbas Rahmati and Ali Hossein Rezayan

Volume 4, Issue 1, 2007

Page: [68 - 71] Pages: 4

DOI: 10.2174/157017807780037531

Price: $65

Abstract

Biginelli-like scaffolds were synthesized in good yields by a three-component condensation reaction of 5,5-dimethyl-1,3-cyclohexanedione, an aldehyde and urea, N-methylurea or thiourea in 1-butyl-3- methylimidazolium bromide ([bmim]Br) as ionic liquid (IL) in the presence of silica sulfuric acid (SSA) as solid acid catalyst at 100 °C within less than 2 hours.

Keywords: Ionic liquid, silica sulfuric acid, Biginelli-like, [bmim]Br, catalyst, multi-component reaction


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