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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 15, 1985 - Issue 13
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Original Articles

3-Carboxypyridinium Dichromate (NDC) and (4-Carboxypyridinium Dichromate (INDC). Two New Mild, Stable, Efficient, and Inexpensive Chromium (VI) Oxidation Reagents

C. López Kimika Organikako Departamendua. Kimika Fakultatea, Euskal Herriko Unibersitatea, Altza. Donostia., Spain
,
A. González Kimika Organikako Departamendua. Kimika Fakultatea, Euskal Herriko Unibersitatea, Altza. Donostia., Spain
,
F. P. Cossío Kimika Organikako Departamendua. Kimika Fakultatea, Euskal Herriko Unibersitatea, Altza. Donostia., Spain
&
C. Palomo Kimika Organikako Departamendua. Kimika Fakultatea, Euskal Herriko Unibersitatea, Altza. Donostia., Spain
Pages 1197-1211 | Published online: 19 Dec 2006
 
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Abstract

Two mild new chromium (VI) reagents derived from nicotinic acid and isonicotinic acid are described. Nicotinium dichromate (NDC) and isonicotinium dichromate (INDC) oxidize alcohols into carbonyl compounds, mercaptans into disulfides and hydroquinones into quinones. Oxidtion of polynuclear aromatic hydrocarbons is made. Pyridine assisted oxidations by means of these reagents are also described.

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