Abstract

The title compounds were synthesized by condensation of 3‐acetyl chromen‐2‐one with benzaldehyde in presence of alcoholic sodium hydroxide to get intermediate 3‐(3‐phenyl acryloyl) chromen‐2‐one, which were further treated with hydrazine hydrate to get 3‐(5‐phenyl‐4,5‐dihydro‐1H‐pyrazol‐3‐yl) chromen‐2‐one. The latter were refluxed with various amino compounds and various aldehyde derivatives on water bath for 5 h to afford title compounds. All the compounds were tested for their antibacterial and antifungal activities by the cup plate method.

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