, Volume 25, Issue 7, pp 3473–3491 | Cite as

Synthesis and investigation of quinazoline derivatives based on 8-hydroxyquinoline as corrosion inhibitors for mild steel in acidic environment: experimental and theoretical studies

  • M. Rbaa
  • M. Galai
  • F. Benhiba
  • I. B. Obot
  • H. Oudda
  • M. Ebn Touhami
  • B. Lakhrissi
  • A. ZarroukEmail author
Original Paper


HCl pickling treatment is utilized to remove mill scales from mild steel (MS) surface at different temperatures up to 328 ± 2 K. In order to minimize the metal dissolution, newly multifunctional heterocycles based on 8-hydroxyquinoline namely 3-((8-hydroxyquinolin-5yl)-methyl)-2-phenylquinazolin-4(3H)-one (HQ-ZH), 3-((8-hydroxyquinliene-5-yl)-2-(4-nitrophenyl)-quinazolin-4(3H)-one (HQ-ZNO2), and 2-(2-hydroxyphenyl)-3-((8-hydroxyquinolin-5-yl)-methyl)-quinazolin-4(3H)-one (HQ-ZOH) have been synthesized and characterized by Fourier transform infrared (FT-IR), 1H,13C NMR, and elemental analysis. Their anticorrosive performance for the mild steel in 1 M HCl medium has been determined by electrochemical and theoretical investigations. HQ-ZH, HQ-ZOH, and HQ-ZNO2 act as excellent inhibitors for MS in 1 M HCl. In addition, the surface of the mild steel has been analyzed by the UV-visible and SEM. The experimental results were correlated with theoretical studies.


Synthesis Quinazolinone derivatives Corrosion inhibition Electrochemical techniques Theoretical studies SEM 



I.B. Obot is grateful to King Fahd University of Petroleum and Minerals, (KFUPM) Saudi Arabia, and the Centre of High Performance Computing (KFUPM) for making the computational software available for this work. We thank also the “National Center for Scientific and Technical Research” and the “Moroccan Ministry of Higher Education” for providing all the facilities and for supporting this work.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • M. Rbaa
    • 1
  • M. Galai
    • 2
  • F. Benhiba
    • 3
  • I. B. Obot
    • 4
  • H. Oudda
    • 3
  • M. Ebn Touhami
    • 2
  • B. Lakhrissi
    • 1
  • A. Zarrouk
    • 5
    Email author
  1. 1.Laboratory Agro-Resources, Polymers and Process Engineering, Department of Chemistry, Faculty of SciencesIbn Tofail UniversityKénitraMorocco
  2. 2.Laboratory of Materials Engineering and Environment: Application and Modeling, Faculty of SciencesIbn Tofail UniversityKénitraMorocco
  3. 3.Laboratory of separation processes, Faculty of scienceUniversity Ibn TofailKénitraMorocco
  4. 4.Centre of Research Excellence in CorrosionKing Fahd University of Petroleum and MineralsDhahranSaudi Arabia
  5. 5.Laboratory of Materials, Nanotechnology and Environment, Faculty of SciencesMohammed V UniversityRabatMorocco

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