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In this elucidation, we studied the utility of condensation reaction between 1,4-phenylenediamine (1) with acetyl acetone (2) with hydrazine hydrate utilized ultrasonic energy in one step reaction to afford the corresponding 1,1'-(1,4-phenylenebis (5-methyl-1H-1,2,3-triazole-1,4-diyl))bis(ethan-1-one) (4) in excellent yield. The ethanol solution of bis triazole (4) and different aldehyde derivatives were sonicated at 75 °C for 2 h to afford chalcone derivatives 5a-d which were confirmed via spectral data such as FTIR, 1HNMR, 13CNMR and mas
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