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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 30, 2000 - Issue 21
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Original Articles

Aromatization of 1,4-Dihydropyridines Under Mild and Heterogeneous Conditions

Mohammad Ali Zolfigol Chemistry Department, College of Science, Bu-Ali Sina University, Hamadan, 65174, I R, Iran E-mail: [email protected]
,
Maryam Kiany-Borazjani Chemistry Department, College of Science, Bu-Ali Sina University, Hamadan, 65174, I R, Iran E-mail: [email protected]
,
Majid M. Sadeghi Chemistry Department, College of Science, Isfahan University, Isfahan, I R, Iran
,
Iraj Mohammadpoor-Baltork Chemistry Department, College of Science, Isfahan University, Isfahan, I R, Iran
&
Hamid Reza Memarian Chemistry Department, College of Science, Isfahan University, Isfahan, I R, Iran
Pages 3919-3923 | Accepted 21 Dec 1999, Published online: 04 Dec 2007
 
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Abstract

A combination of Mg(HSO4)2 and NaNO2 in the presence of wet SiO2 was used as an effective oxidizing agent for the oxidation of dihydropyridines to their corresponding pyridine derivatives at room temperature with moderate to excellent yields.

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