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Salicylic aldehyde-N(4)-(4-ethoxyanilinyl) thiosemicarbazone: Optimization of synthesis by surface response and structural characteristics

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Salicylic aldehyde-N(4)-(4-ethoxyanilinyl)thiosemicarbazone (H2L) was synthesized by condensation between salicylic aldehyde (SA) and N(4)-(4-ethoxyanilinyl)thiosemicarbazide (TSCZ) in presence of glacial acetic acid as a homogeneous catalyst in ethanol. As a result of analysis by the surface response based on Box – Hunter model with the confidence level of 95%, the expectable yield reached the highest point (around 68%) at 80oC for 10 minutes when approximately 1 mole of SA reacted to equivalently 1 mole of TSCZ. | Salicylic aldehyde-N(4)-(4-ethoxyanilinyl) thiosemicarbazone: Optimization of synthesis by surface response and structural characteristics