Abstract
In this work, imidazoline-palmitic derivative had been successfully synthesized by reacting triethylenetetramine (TETA) with palmitic acid (PA). Synthesis process was performed with solvent free using MAOS (Microwave Assisted Organic Synthesis) method with variation of time reactions. Dean-Stark and reflux methods using xylene as a solvent were also performed as comparisons. The percentage yield of TETA-PA imidazoline was obtained from Dean-Stark at 13 hours (95.80 %), reflux at 13 hours (88.53 %), and MAOS at 11 min (87.74 %). TETA-PA imidazoline then was identified by using thin layer chromatography and melting point analyzer followed by characterization using Fourier Transform Infrared (FTIR), UV-Vis, Proton Nuclear Magnetic Resonance (1H-NMR), and Mass Spectrometry (MS) spectral data. This study provides information regarding comparison method for imidazoline derivative synthesis. For further research, TETA-PA imidazoline can be used as corrosion inhibitor towards carbon steel.
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