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|Title||Reaction of aryl-and heteroaryl benzoyl-and acetylhydrazones with phenylisocyanate synthesis of substituted-2, 3-dihydro-1, 3, 4-oxadiazoles|
Aryl benzoylhydrazones (1a-c) react readily with phenylisocyanate (2) at room temperature to give the corresponding substituted 2, 3-dihydro-1, 3, 4-oxadiazoles (3a-c). On the other hand, the reaction of benzoylhydrazones of furan, thiophene and pyridine carbaldehydes gave 2, 5-dioxo-1, 5-diphenyl-1, 3, 4-triazapentane (4), and that of theiophene acetylhydrazone gave 2, 5-dioxo-1-phenyl-1, 3, 4-triazahexane (5). Structure elucidation of these compounds was based on spectral data including IR, Ms and NMR.
|Published in||IUG Journal of Natural Studies|
|Series||Volume: 14, Number: 1|
|Item link||Item Link|
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|Awadallah, Adel M._16.pdf||35.92Kb|