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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 29, 1999 - Issue 23
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Original Articles

The Aromatization of Hantzsch 1,4-Dihydropyridines by Tetrakis-Pyridine Cobalt (II) Dichromate (TPCD)

Bingxiang Wang Department of Chemistry, Nanjing University, Nanjing, 210093, People's Republic of China
,
Yuefei Hu Coordination Chemistry Institute, Nanjing University, Nanjing, 210093, People's Republic of China
&
Hongwen Hu Coordination Chemistry Institute, Nanjing University, Nanjing, 210093, People's Republic of China
Pages 4193-4199 | Received 16 Apr 1999, Published online: 17 Sep 2007
 
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Abstract

Aromatization of Hantzsch 1,4-dihydropyridines (la-n) were promoted by tetrakis-pyridine cobalt (11) dichromate to yield corresponding pyridine derivatives (2a-n) in moderate to high yields (70-87%). The reaction was carried out under mild and convenient conditions.

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