Several N-[2,4,5-triphenyloxazole-3(2H)-yl]benzamide and N-[(2-furyl)4,5-diphenyloxazole-3(2H)-yl]benzamide have been synthesized by refluxing N1-aroyl-N2-arylidenehydrazines / N1-aroyl-N2-furylidenehydrazines with equimolar of benzoin and triethylamine few drops in ethanol for six hours and screened for their herbicidal activities against Echinochloa oryzicola, Echinochloa crus-galli, Oryza sativa, Glycine max and antifungal activities against Aspergillus niger, Pyricularia oryzae whereas antibacterial activities against Salmonella typhi, Escherichia coli, Klebsiella pneumonia, Bacillus subtilis and Bacillus pumilus of the title compounds.