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Ettahiri W, Salim R, Adardour M, Ech-Chihbi E, Yunusa I, Alanazi MM, Lahmidi S, Barnossi AE, Merzouki O, Iraqi Housseini A, Rais Z, Baouid A, Taleb M. Synthesis, Characterization, Antibacterial, Antifungal and Anticorrosion Activities of 1,2,4-Triazolo[1,5-a]quinazolinone. Molecules 2023; 28:5340. [PMID: 37513216 PMCID: PMC10385296 DOI: 10.3390/molecules28145340] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/01/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023] Open
Abstract
The synthesis of 5,6,7,8-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-9(4H)-one (THTQ), a potentially biologically active compound, was pursued, and its structure was determined through a sequence of spectral analysis, including 1H-NMR, 13C-NMR, IR, and HRMS. Four bacterial and four fungal strains were evaluated for their susceptibility to the antibacterial and antifungal properties of the THTQ compound using the well diffusion method. The impact of THTQ on the corrosion of mild steel in a 1 M HCl solution was evaluated using various methods such as weight loss, potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS), and scanning electron microscopy (SEM) analysis. The study revealed that the effectiveness of THTQ as an inhibitor increased with the concentration but decreased with temperature. The PDP analysis suggested that THTQ acted as a mixed-type inhibitor, whereas the EIS data showed that it created a protective layer on the steel surface. This protective layer occurs due to the adsorption behavior of THTQ following Langmuir's adsorption isotherm. The inhibition potential of THTQ is also predicted theoretically using DFT at B3LYP and Monte Carlo simulation.
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Affiliation(s)
- Walid Ettahiri
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
- Laboratory of Molecular Chemistry, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech 40001, Morocco
| | - Rajae Salim
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
| | - Mohamed Adardour
- Laboratory of Molecular Chemistry, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech 40001, Morocco
| | - Elhachmia Ech-Chihbi
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
| | - Ismaeel Yunusa
- College of Pharmacy, University of South Carolina, Columbia, SC 29208, USA
| | - Mohammed M Alanazi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11541, Saudi Arabia
| | - Sanae Lahmidi
- Laboratory of Heterocyclic Organic Chemistry, Department of Chemistry, Faculty of Sciences, Mohammed V University in Rabat, Rabat 10000, Morocco
| | - Azeddin El Barnossi
- Laboratory of Biotechnology, Environment, Agri-Food and Health, Faculty of Sciences Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez 30000, Morocco
| | - Oussama Merzouki
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
| | - Abdelilah Iraqi Housseini
- Laboratory of Biotechnology, Environment, Agri-Food and Health, Faculty of Sciences Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez 30000, Morocco
| | - Zakia Rais
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
| | - Abdesselam Baouid
- Laboratory of Molecular Chemistry, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech 40001, Morocco
| | - Mustapha Taleb
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
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Ettahiri W, Dalbouha A, Baouid A, Alsubari A, Mague JT, Taleb M, Ramli Y. 5,6,7,8-Tetra-hydro-[1,2,4]triazolo[5,1- b]quinazolin-9(4 H)-one. IUCRDATA 2023; 8:x230409. [PMID: 37287860 PMCID: PMC10242730 DOI: 10.1107/s2414314623004091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 05/09/2023] [Indexed: 06/09/2023] Open
Abstract
The triazole ring in the title mol-ecule, C9H10N4O, is not quite coplanar with the six-membered ring to which it is fused, the dihedral angle between the two least-squares planes being 2.52 (6)°. In the crystal, a layered structure is formed by N-H⋯N and C-H⋯O hydrogen bonds plus slipped π-stacking inter-actions, with the fused cyclo-hexene rings projecting to either side.
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Affiliation(s)
- Walid Ettahiri
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez, Morocco
- Laboratory of Molecular Chemistry, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco
| | - Amal Dalbouha
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez, Morocco
| | - Abdesselam Baouid
- Laboratory of Molecular Chemistry, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco
| | - Abdulsalam Alsubari
- Laboratory of Medicinal Chemistry, Faculty of Clinical Pharmacy, 21 September University, Yemen
| | - Joel T. Mague
- Department of Chemistry, Tulane University, New Orleans, LA 70118, USA
| | - Mustapha Taleb
- Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez, Morocco
| | - Youssef Ramli
- Laboratory of Medicinal Chemistry, Drug Sciences Research Center, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco
- Mohammed VI Center for Research and Innovation (CM6), Rabat 10000, Morocco
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Haverkate NA, Leung E, Pilkington LI, Barker D. Tethered Aryl Groups Increase the Activity of Anti-Proliferative Thieno[2,3-b]Pyridines by Targeting a Lipophilic Region in the Active Site of PI-PLC. Pharmaceutics 2021; 13:pharmaceutics13122020. [PMID: 34959302 PMCID: PMC8705770 DOI: 10.3390/pharmaceutics13122020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/19/2021] [Accepted: 11/23/2021] [Indexed: 11/16/2022] Open
Abstract
The compounds 2-amino-3-carboxamido-thieno[2,3-b]pyridines have demonstrated excellent anti-proliferative activity against human cancer cell lines, including the triple-negative breast cancer cell line MDA-MB-231. In this study, 81 novel thieno[2,3-b]pyridines were synthesised in four series to further improve their anti-proliferative activity, in particular by targeting an adjacent lipophilic pocket in the putative target enzyme phosphoinositide phospholipase C (PI-PLC). Overall, it was found that appending a propyl-aryl group at C-5 on 2-amino-3-carboxamido-thieno[2,3-b]pyridine resulted in compounds with potent biological activity, exhibiting IC50 values in the nanomolar range. The propyl linker could be an α,β-unsaturated ketone or a saturated propyl ketone, but the highest activity was obtained when allylic alcohols were the tether between thieno[2,3-b]pyridine and the appended aryl group, with compound 21r having IC50 values lower than 50 nM. Compounds with one extra carbon in the tether (i.e., a four-atom chain) were found to be considerably less active. Molecular modelling revealed this propyl tether places the newly introduced aryl ring in an untargeted lipophilic pocket within the active site of the phosphoinositide phospholipase C (PI-PLC) enzyme.
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Affiliation(s)
- Natalie A. Haverkate
- School of Chemical Sciences, University of Auckland, Auckland 1010, New Zealand; (N.A.H.); (L.I.P.)
| | - Euphemia Leung
- Auckland Cancer Society Research Centre, University of Auckland, Auckland 1023, New Zealand;
- Department of Molecular Medicine and Pathology, University of Auckland, Auckland 1023, New Zealand
| | - Lisa I. Pilkington
- School of Chemical Sciences, University of Auckland, Auckland 1010, New Zealand; (N.A.H.); (L.I.P.)
| | - David Barker
- School of Chemical Sciences, University of Auckland, Auckland 1010, New Zealand; (N.A.H.); (L.I.P.)
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
- Correspondence: ; Tel.: +64-9-373-7599
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