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An efficient one-pot synthesis of naphthoxazinones by a three-component coupling of naphthol, aldehydes, and urea catalyzed by zinc triflate

✍ Scribed by Alakananda Hajra; Dhiman Kundu; Adinath Majee

Publisher
Journal of Heterocyclic Chemistry
Year
2009
Tongue
English
Weight
71 KB
Volume
46
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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A simple and efficient method has been developed for the synthesis of 4‐aryl‐3,4‐dihydronaphtho[2,1‐e] [1,3]oxazin‐2‐one and 1‐aryl‐1,2‐dihydronaphtho[1,2‐e][1,3]oxazin‐3‐one derivatives through a one‐pot three‐component coupling of α or β‐naphthol, aromatic aldehydes and urea using a catalytic amount of zinc triflate in refluxing acetonitrile. J. Heterocyclic Chem., (2009).

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