Aqueous Hydrofluoric Acid Catalyzed Facile Synthesis of 2,3,6-Substituted Quinoxalines

A versatile synthetic route for the preparation of 2,3,6‐trisubstituted quinoxalines in excellent yield is developed from θ‐diamines and 1,2‐dicarbonyl compounds in which aqueous hydrofluoric acid was employed as the medium and catalyst. Other salient features of this protocol include milder conditi...

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Bibliographic Details
Published in:Journal of heterocyclic chemistry 2014-09, Vol.51 (5), p.1504-1508
Main Authors: Chandra Shekhar, A., Ravi Kumar, A., Sathaiah, G., Raju, K., Srinivas, P. V. S. S., Shanthan Rao, P., Narsaiah, B.
Format: Article
Language:English
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Summary:A versatile synthetic route for the preparation of 2,3,6‐trisubstituted quinoxalines in excellent yield is developed from θ‐diamines and 1,2‐dicarbonyl compounds in which aqueous hydrofluoric acid was employed as the medium and catalyst. Other salient features of this protocol include milder conditions, absence of coupling agents, and easy workup procedures.
ISSN:0022-152X
1943-5193
DOI:10.1002/jhet.1753