n-Butyltriphenylphosphonium peroxodisulfate: A cheap and efficient reagent for the aromatization of Hantzsch 1,4-dihydropyridines

Different 4-substituted 1,4-dihydropyridines have been oxidized to pyridine derivatives by n-butyltriphenyl phosphonium peroxodisulfate in acetonitrile solution at reflux condition. Formation of two kinds of products has been observed depending on the type of 4-substituent.

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Bibliographic Details
Published inChinese chemical letters Vol. 22; no. 1; pp. 61 - 64
Main Authors Gorjizadeh, Maryam, Abdollahi-Alibeik, Mohammad
Format Journal Article
LanguageEnglish
Published NEW YORK Elsevier B.V 2011
Elsevier
Department of Chemistry,Islamic Azad University,Shushtar Branch,Iran%Department of Chemistry,Yazd University,Yazd,Iran
Subjects
1,4-Dihydropyridine
Chemistry
Chemistry, Multidisciplinary
n-Butyltriphenylphosphonium peroxodisulfate
Oxidation
Physical Sciences
Science & Technology
1,4-Dihydropyridine
Oxidation
n-Butyltriphenylphosphonium peroxodisulfate
MILD
SYSTEM
PHOTOCHEMISTRY
IODINE
HETEROGENEOUS CONDITIONS
IN-SITU GENERATION
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Summary:Different 4-substituted 1,4-dihydropyridines have been oxidized to pyridine derivatives by n-butyltriphenyl phosphonium peroxodisulfate in acetonitrile solution at reflux condition. Formation of two kinds of products has been observed depending on the type of 4-substituent.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2010.07.022