Abstract
The efficiently oxidized various types of 2-substituted imidazolines to the corresponding imidazoles using potassium permanganate supported on silica gel (KMnO4/SiO2) under mild conditions and at room temperature have been reported before. In this study, the competitive concerted, catalytic stepwise (E 1 cb′ Cat .) and E 1 cb′ mechanisms of the oxidative aromatization process of 2-imidazolines to the corresponding imidazoles using KMnO4/SiO2 have been theoretically investigated by DFT-B3LYP/6-31G** method. The achieved data from this computational study confirmed that the reaction occurs by stepwise E 1 cb′ mechanism on the basis of the anomeric effect.
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The authors have acknowledged the Theoretical and Computational Research Center of Chemistry Faculty of Razi University-Kermanshah-Iran and Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Taherpour, A.A., Yari, A., Ghasemhezaveh, F. et al. The first principle computational study for the competitive mechanisms of oxidative aromatization of 2-substituted imidazolines using KMnO4/SiO2 . J IRAN CHEM SOC 14, 2485–2493 (2017). https://doi.org/10.1007/s13738-017-1183-0
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DOI: https://doi.org/10.1007/s13738-017-1183-0