Efficient synthesis of 9-aryl-1,8-dioxo-octahydroxanthenes using melamine trisulfonic acid under thermal, microwave and ultrasound conditions 

Authors

1 Department of Chemistry, University of Sayyed Jamaleddin Asadabadi, Asadabad 6541835583, Iran

2 Department of Chemistry, Payame Noor University, PO BOX 19395-3697, Tehran, Iran c Young Researchers Club, Takestan Branch, Islamic Azad University, Takestan, Iran

3 Young Researchers Club, Takestan Branch, Islamic Azad University, Takestan, Iran

4 Department of Chemistry, Payame Noor University, PO BOX 19395-3697, Tehran, Iran

Abstract

In this work, efficient synthesis of 9-aryl-1,8-dioxo-octahydroxanthene derivatives from 1,3-cyclohexanediones and arylaldehydes in the presence of catalytic amount of melamine trisulfonic acid (MSTA) is described. The reaction is studied under thermal (solvent-free/80 °C),microwave (solvent-free/180 W/90 °C) and ultrasound (solvent/34-37 kHz/350 W/60 °C) conditions.

Keywords

Scientia Iranica
Volume 21, Issue 6 - Serial Number 6
Transactions on Chemistry and Chemical Engineering (C)
December 2014
Pages 2049-2058

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History

  • Receive Date: 15 July 2014
  • Revise Date: 21 December 2024
  • Accept Date: 27 July 2017

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