Abstract

AbstractFour new 1,2,3‐triazoles (3a, 3b, 4a and 4b) have been synthesized selectively via click chemistry approach and characterized by elemental analysis, IR, 1H NMR, 13C NMR and single crystal X‐ray crystallographic analysis. The inhibiting action of these compounds against the corrosion of carbon steel in 1.0 mol/L HCl solution was investigated by electrochemical techniques including polarization and electrochemical impedance spectroscopy (EIS), both results of which indicate that these compounds act as good anodic inhibitors. The electrochemical study also shows that 4b is the best inhibitor among the four compounds in this work and its efficiency increases with concentration. The obtained highest IE (inhibition efficiency) of 4b is around 97%.

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