5-((1H-imidazol-1-yl)methyl)quinolin-8-ol as potential antiviral SARS-CoV-2 candidate: Synthesis, crystal structure, Hirshfeld surface analysis, DFT and molecular docking studies


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Output type: Journal article

UM6P affiliated Publication?: Yes

Author list: Douche D., Sert Y., Brandán S.A., Kawther A.A., Bilmez B., Dege N., Louzi A.E., Bougrin K., Karrouchi K., Himmi B.

Publisher: Elsevier

Publication year: 2021

Journal: Journal of Molecular Structure (0022-2860)

Volume number: 1232

ISSN: 0022-2860

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85100664671&doi=10.1016%2fj.molstruc.2021.130005&partnerID=40&md5=1132fe148a65960111bda49908ecfc16

Languages: English (EN-GB)


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Abstract

A potential new drug to treat SARS-CoV-2 infections and chloroquine analogue, 5-((1H-imidazol-1-yl)methyl)quinolin-8-ol (DD1) has been here synthesized and characterized by FT-IR, 1H-NMR, 13C-NMR, ultraviolet-visible, ESI-MS and single-crystal X-ray diffraction. DD1 was optimized in gas phase, aqueous and DMSO solutions using hybrid B3LYP/6-311++G(d,p) method. Comparisons between experimental and theoretical infrared spectra, 1H and 13C NMR chemical shifts and electronic spectrum in DMSO solution evidence good concordances. Higher solvation energy was observed in aqueous solution than in DMSO, showing in aqueous solution a higher value than antiviral brincidofovir and chloroquine. on Bond orders, atomic charges and topological studies suggest that imidazole ring play a very important role in the properties of DD1. NBO and AIM analyses support the intra-molecular O15-H16•••N17 bonds of DD1 in the three media. Low gap value supports the higher reactivity of DD1 than chloroquine justified by the higher electrophilicity and low nucleophilicity. Complete vibrational assignments of DD1 in gas phase and aqueous solution are reported together with the scaled force constants. In addition, better intermolecular interactions were observed by Hirshfeld surface analysis. Finally, the molecular docking mechanism between DD1 ligand and COVID-19/6WCF and COVID-19/6Y84 receptors were studied to explore the binding modes of these compounds at the active sites. Molecular docking results have shown that the DD1 molecule can be considered as a potential agent against COVID-19/6Y84-6WCF receptors. © 2021 Elsevier B.V.


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Last updated on 2021-06-06 at 23:22