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N-Acylhydrazones 11-17 were prepared via reaction of 2-hydroxy-3,5-dinitrobenzohydrazide 3 with aromatic aldehydes 4-6 or with aromatic ketone 7 or aliphatic acyclic ketone 8 and cyclic aliphatic ketones 9-10 under reflux in ethanol. Conversion of hydrazide hydrazone 17 into N-acetyl-1,3,4-oxadiazole derivative 19 was achieved via reaction with acetic anhydride 18. The products were characterized by MS, 1H-NMR and 13C-NMR. The structure of 19 was confirmed by X-ray analysis. Compound 19 wasdoi:10.33976/iugns.30.2/2022/4 fatcat:zfnh5q5w6bapxlh4zxeyn3mq7e