Synthesis of 4-selenylidene-4H,5H-chromeno[3,4-e][1,3]oxazin-5-one
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DOI: 10.3184/174751917x15000317104501
Abstract: A green and efficient synthesis of [1,3]oxazines has been achieved via a three-component, one-pot condensation of 4-hydroxycoumarin, potassium selenocyanate and acyl chlorides in the presence of N-methylimidazole under solvent-free conditions at ambient temperature. read more here.
Keywords: synthesis selenylidene; oxazin one; selenylidene chromeno; chromeno oxazin ... See more keywords