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Comptes Rendus Chimie
Volume 18, n° 5
pages 547-553 (mai 2015)
Doi : 10.1016/j.crci.2014.07.010
Received : 25 May 2014 ;  accepted : 7 July 2014
Nanorod vanadatesulfuric acid (VSA NRs)-catalyzed green synthesis of hexahydroacridine-1,8-diones in solvent-free conditions
 

Masoud Nasr-Esfahani , Morteza Montazerozohori, Tooba Abdizadeh
 Department of Chemistry, Yasouj University, Yasouj 75918-74831, Iran 

Corresponding author.
Abstract

Nanorod vanadatesulfuric acid (VSA NRs), as a novel, recyclable and eco-benign catalyst, was used for an efficient synthesis of hexahydroacridine-1,8-diones using 1,3-cyclohexanedione derivatives, aldehydes and ammonium acetate or aniline under solvent-free conditions. VSA was prepared by the reaction of high-purity chlorosulfonic acid and sodium metavanadate. The present method offers some advantages over conventional ones, such as simple procedure and work-up, short reaction times, high yields, stability and reusability of the catalyst and simple purification of the products. Also, some greenness aspects of this method were investigated and compared with data from previous reports.

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Keywords : Vanadatesulfuric acid, Hexahydroacridine-1,8-diones, Reusable catalyst, Solvent-free, Heterogeneous catalyst, Nanorod particles




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