Abstract
Sodium benzenesulfinates, as a new organo catalyst, can be used to synthesize tetrahydro- 4H-chromene derivatives by three component reaction of cyclic β-dicarbonyl compounds, malononitrile, and aromatic aldehydes, in H2O/EtOH, under ultrasound irradiation at room temperature. Inexpensiveness, stability and the potential of being easily obtained can be noted as preponderance of these catalysts. Furthermore, high conversions, short reaction times and cleaner reaction profiles are some of the advantages of this method. Moreover, H2O/EtOH (7:3) was selected as a green solvent.
Keywords: Sodium benzenesulfinates, tetrahydro-4H-chromene derivatives, three component reactions, ultrasound irradiation, cyclic β-dicarbonyl compounds, aromatic aldehydes.
Letters in Organic Chemistry
Title:Sodium Benzenesulfinates: Novel and Effective Organo Catalyst for Three Component Synthesis 5,6,7,8-Tetrahydro-4H-chromene Derivatives Under Ultrasound Irradiation
Volume: 12 Issue: 4
Author(s): Mehdi Abaszadeh and Mohammad Seifi
Affiliation:
Keywords: Sodium benzenesulfinates, tetrahydro-4H-chromene derivatives, three component reactions, ultrasound irradiation, cyclic β-dicarbonyl compounds, aromatic aldehydes.
Abstract: Sodium benzenesulfinates, as a new organo catalyst, can be used to synthesize tetrahydro- 4H-chromene derivatives by three component reaction of cyclic β-dicarbonyl compounds, malononitrile, and aromatic aldehydes, in H2O/EtOH, under ultrasound irradiation at room temperature. Inexpensiveness, stability and the potential of being easily obtained can be noted as preponderance of these catalysts. Furthermore, high conversions, short reaction times and cleaner reaction profiles are some of the advantages of this method. Moreover, H2O/EtOH (7:3) was selected as a green solvent.
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Cite this article as:
Abaszadeh Mehdi and Seifi Mohammad, Sodium Benzenesulfinates: Novel and Effective Organo Catalyst for Three Component Synthesis 5,6,7,8-Tetrahydro-4H-chromene Derivatives Under Ultrasound Irradiation, Letters in Organic Chemistry 2015; 12 (4) . https://dx.doi.org/10.2174/1570178612666150203004727
DOI https://dx.doi.org/10.2174/1570178612666150203004727 |
Print ISSN 1570-1786 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6255 |
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