Dehydroaromatization with V2O5

Megha Karki; Hugo C. Araujo; Jakob Magolan

doi:10.1055/s-0033-1339277

Synlett, Table of Contents

Synlett 2013; 24(13): 1675-1678
DOI: 10.1055/s-0033-1339277

letter

Dehydroaromatization with V₂O₅

Megha Karki

Department of Chemistry, University of Idaho, Moscow, ID 83844-2343, USA Fax: +1(208)8856173 Email: jmagolan@uidaho.edu

,

Hugo C. Araujo

Department of Chemistry, University of Idaho, Moscow, ID 83844-2343, USA Fax: +1(208)8856173 Email: jmagolan@uidaho.edu

,

Jakob Magolan*

Department of Chemistry, University of Idaho, Moscow, ID 83844-2343, USA Fax: +1(208)8856173 Email: jmagolan@uidaho.edu

› Author Affiliations

Abstract

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Abstract

Vanadium pentoxide is evaluated as a dehydroaromatization reagent. Tetrahydrocarbazole is readily aromatized by V₂O₅ in refluxing acetic acid under both stoichiometric and catalytic conditions. Indoline, tetrahydroquinoline, and tetrahydroquinoxaline are effectively aromatized by V₂O₅/silica in refluxing toluene.

Key words

oxidation - arenes - heterocycles - vanadium pentoxide - carbazoles

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References

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