Journal
CHINESE CHEMICAL LETTERS
Volume 19, Issue 10, Pages 1171-1174Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2008.06.048
Keywords
One-pot; HClO4-SiO2; Heterogeneous catalyst; Amidoalkyl naphthol; Multicomponent reaction
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An efficient and direct procedure has been developed for the preparation of amidoalkyl naphthols by a one-pot condensation of aryl aldehydes, 2-naphthol and urea or amides, in the presence of HClO4-SiO2 as a heterogeneous catalyst. The reactions were carried out under reflux and solvent-free conditions. The present methodology offers several advantages such as excellent yields, simple procedure, easy work-up and ecofriendly reaction condition. The catalyst is easily prepared, stable, reusable and efficient under the reaction conditions. (C) 2008 Gholam Hossein Mahdavinia. Published by Elsevier B. V. on behalf of Chinese Chemical Society. All rights reserved.
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