Abstract
A method is proposed for the synthesis of 3-(3-acetyl-5-aryl-2,3-dihydro-1,3,4-oxadiazol-2-yl)chromones which consists of the conversion of 3-formylchromones to aroylhydrazones and their subsequent heterocyclization using acetic anhydride.
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Cao, L., Zhang, L. & Liu, J.J. Synthesis of 3-(3-Acetyl-5-aryl-2,3-dihydro-1,3,4-oxadiazol-2-yl)chromones. Chemistry of Heterocyclic Compounds 40, 214–218 (2004). https://doi.org/10.1023/B:COHC.0000027895.56561.7a
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DOI: https://doi.org/10.1023/B:COHC.0000027895.56561.7a