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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 35, 2005 - Issue 4
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Original Articles

Oxidative‐Aromatization of Hantzsch Ester 1,4‐Dihydropyridines by KBrO3/SnCl4 · 5H2O Under Mild Condition

Behzad Zeynizadeh Department of Chemistry, Faculty of Sciences, Urmia University, Urmia, IranCorrespondence[email protected]
,
Karim Akbari Dilmaghani Department of Chemistry, Faculty of Sciences, Urmia University, Urmia, Iran
&
Asli Roozijoy Department of Chemistry, Faculty of Sciences, Urmia University, Urmia, Iran
Pages 557-562 | Received 19 Aug 2004, Published online: 12 Apr 2011
 
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Abstract

Different kinds of Hantzsch ester 1,4‐dihydropyridines were oxidatively aromatized to their corresponding pyridine derivatives by KBrO3/SnCl4 · 5H2O system in refluxing CH3CN. The products were obtained in high to excellent yields.

Acknowledgment

The authors gratefully acknowledge the financial support of this work by the Research Council of Urmia University.

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