Three-component reaction between 4-hydroxycoumarin, ammonium thiocyanate and acid chlorides in the presence of N -methylimidazole under solvent-free conditions

A novel method for oxazine ring formation is established using the reaction of ammonium thiocyanate and acid chlorides with 4-hydroxy coumarin in the presence of N-methylimidazole to afford oxazine derivatives in excellent yields.

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Bibliographic Details
Published in:Journal of chemical research 2011-01, Vol.35 (1), p.29-31
Main Authors: Hassanabadi, Alireza, Mosslemin, Mohammad H, Tadayonfar, Seyd Ehsan
Format: Article
Language:English
Subjects:
Chlorides
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Summary:A novel method for oxazine ring formation is established using the reaction of ammonium thiocyanate and acid chlorides with 4-hydroxy coumarin in the presence of N-methylimidazole to afford oxazine derivatives in excellent yields.
ISSN:1747-5198
2047-6507
DOI:10.3184/174751911X1296493007681