In the present work, some novel 2,5-disubstituted-1,3,4-oxadiazole derivatives were synthesized by reacting different substituted phenyl semicarbazides with substituted benzaldehydes to yield aryl semicarbazones which finally underwent in situ cyclisation using chloramine-T. The newly synthesized compounds (1-10) were analyzed for elemental analysis and the structures were confirmed by FTIR, 1H NMR and Mass spectral data. The results of biological activities revealed that all the synthesized 2,5-disubstituted-1,3,4-oxadiazoles are potential lead compounds in search of new chemical entities viz. antimicrobial and analgesic agents.
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