Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 160, Issue 1, Pages 40-49Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2011.02.012
Keywords
N-methyl-2-pyrrolidonium hydrogen sulfate; 2,4,5-trisubstituted imidazoles; 12,4,5-tetrasubstituted imidazoles; Solvent-free; Ionic liquid; Catalyst
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Bronsted acidic ionic liquid, N-methyl-2-pyrrolidonium hydrogen sulfate, has been used as an efficient and reusable catalyst for the one-pot synthesis of 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted imidazoles under thermal solvent-free conditions in excellent yields. (C) 2011 Elsevier B.V. All rights reserved.
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