Issue 11, 2012
From the journal:

Catalysis Science & Technology

Poly(4-vinylpyridinium) hydrogen sulfate: an efficient catalyst for the synthesis of xanthene derivatives under solvent-free conditions†

Nader Ghaffari Khaligh*a  

* Corresponding authors

a Department of Chemistry, College of Science, University of Guilan, Rasht, Iran
E-mail: ngkhaligh@gmail.com, ngkhaligh@guilan.ac.ir
Fax: +9866934046
Tel: +982166431738

Abstract

A simple and convenient procedure for the synthesis of xanthene derivatives is described through a one-pot condensation of 2-naphthol {2-hydroxynaphthalene-1,4-dione or the mixture of 2-naphthol and 2-hydroxynaphthalene-1,4-dione} with aryl aldehydes in the presence of poly(4-vinylpyridinium)hydrogen sulfate as an efficient, cheap, easily synthesised and eco-friendly catalyst under solvent-free conditions. Further, the catalyst can be reused and recovered several times without any variations in the yield of the product.

Graphical abstract: Poly(4-vinylpyridinium) hydrogen sulfate: an efficient catalyst for the synthesis of xanthene derivatives under solvent-free conditions

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Article information

DOI
https://doi.org/10.1039/C2CY20276J
Article type
Communication
Submitted
01 May 2012
Accepted
15 Jun 2012
First published
18 Jun 2012

Catal. Sci. Technol., 2012,2, 2211-2215

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Poly(4-vinylpyridinium) hydrogen sulfate: an efficient catalyst for the synthesis of xanthene derivatives under solvent-free conditions

N. Ghaffari Khaligh, Catal. Sci. Technol., 2012, 2, 2211 DOI: 10.1039/C2CY20276J

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