Journal
ARABIAN JOURNAL OF CHEMISTRY
Volume 8, Issue 5, Pages 692-697Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.arabjc.2013.11.020
Keywords
Sulfonic acid functionalized silica; SiO2-Pr-SO3H; Tetrasubstituted imidazoles; Benzil; 1,2-Diketones; One-pot reaction
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Funding
- Research Council of Alzahra University
- University of Tehran
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SiO2-Pr-SO3H has been used as an efficient catalyst for an improved and rapid synthesis of 1,2,4,5-tetrasubstituted imidazoles, by four-component, one-pot reaction of 1,2-diketones, aryl aldehydes, ammonium acetate and substituted aromatic amines in excellent yields under solvent-free conditions. (C) 2013 King Saud University. Production and hosting by Elsevier B.V. All rights reserved.
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