Abstract
In the past three decades, the heterocyclic oxazine cores have been intensely concerned. Oxazine derivatives are promising vital heterocyclic motifs. They are eminent for their synthetic potential and extensive biological properties. Oxazines are versatile intermediates for the synthesis of a variety of heterocycles and bifunctional compounds. Researchers have reported several synthetic approaches for the preparation of oxazines. This review emphasises the recent approaches for the synthesis of oxazine derivatives.
Keywords: Diels-Alder reactions, cross-coupling reactions, 1, 2-oxazines, 1, 3-oxazines, 1, 4-oxazines, fused oxazines.
Graphical Abstract
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