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Molecules 2013, 18(2), 1653-1659; doi:10.3390/molecules18021653
Article

Graphite-Supported Perchloric Acid (HClO4-C): An Efficient and Recyclable Heterogeneous Catalyst for the One-Pot Synthesis of Amidoalkyl Naphthols

1,2,†
,
1,†
,
3
,
2
 and
1,*
1 Key Laboratory of Oil and Gas Fine Chemicals, Ministry of Education & Xinjiang Uygur Autonomous Region, Physical and Chemical Testing Center, Xinjiang University, Urumqi 830046, China 2 Xinjiang Uygur Autonomous Region Product Quality Supervision and Inspection in Academia, Urumqi 830011, China 3 College of Science, Beijing University of Chemical Technology, Beijing 100029, China These authors contributed equally to this work.
* Author to whom correspondence should be addressed.
Received: 14 November 2012 / Revised: 21 January 2013 / Accepted: 22 January 2013 / Published: 28 January 2013
(This article belongs to the Section Organic Synthesis)
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Abstract

An efficient and direct protocol for the preparation of amidoalkylnaphthols employing a multi-component, one-pot condensation reaction of 2-naphthol, aromatic aldehydes and acetamide or benzamide in the presence of graphite supported perchloric acid under solvent-free conditions is described. The thermal solvent-free procedure offers advantages such as simple work-up, shorter reaction times and higher product yields, and the catalyst exhibited remarkable reactivity and can be recycled.
Keywords: amidoalkyl naphthol; solvent-free; HClO4-C amidoalkyl naphthol; solvent-free; HClO4-C
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lei, Z.-K.; Xiao, L.; Lu, X.-Q.; Huang, H.; Liu, C.-J. Graphite-Supported Perchloric Acid (HClO4-C): An Efficient and Recyclable Heterogeneous Catalyst for the One-Pot Synthesis of Amidoalkyl Naphthols. Molecules 2013, 18, 1653-1659.

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