Silica supported perchloric acid: A mild and highly efficient heterogeneous catalyst for the synthesis of poly-substituted quinolines via Friedländer hetero-annulation

Silica supported perchloric acid (HClO 4-SiO 2) is found to be a heterogeneous recyclable catalyst for the rapid and efficient synthesis of various poly-substituted quinolines in the Friedländer condensation of 2-aminoarylketones with carbonyl compounds and β-keto esters at ambient temperature. The...

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Bibliographic Details
Published in:Journal of molecular catalysis. A, Chemical Chemical, 2007-04, Vol.266 (1), p.114-117
Main Authors: Narasimhulu, M., Reddy, T. Srikanth, Mahesh, K. Chinni, Prabhakar, P., Rao, Ch. Bhujanga, Venkateswarlu, Y.
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Exact sciences and technology
Friedländer reaction
General and physical chemistry
Heterogeneous catalyst
Quinolines
Silica supported perchloric acid
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:Silica supported perchloric acid (HClO 4-SiO 2) is found to be a heterogeneous recyclable catalyst for the rapid and efficient synthesis of various poly-substituted quinolines in the Friedländer condensation of 2-aminoarylketones with carbonyl compounds and β-keto esters at ambient temperature. The catalyst can be reused at least three times.
ISSN:1381-1169
1873-314X
DOI:10.1016/j.molcata.2006.10.049