期刊
CURRENT ISSUES IN MOLECULAR BIOLOGY
卷 45, 期 2, 页码 1422-1442出版社
MDPI
DOI: 10.3390/cimb45020093
关键词
hydrazonoyl chlorides; acetyl pyridines; thiazoles; molecular docking; schiff bases; COVID-19
In this study, a novel series of N-aminothiazole-hydrazineethyl-pyridines were designed, synthesized, and characterized. Molecular docking and molecular dynamics simulation were applied to investigate their binding energy with the SARS-CoV-2 main protease. The results obtained from in vitro and in vivo research on these synthesized compounds are expected to make a significant contribution to the fight against COVID-19.
Many biological activities of pyridine and thiazole derivatives have been reported, including antiviral activity and, more recently, as COVID-19 inhibitors. Thus, in this paper, we designed, synthesized, and characterized a novel series of N-aminothiazole-hydrazineethyl-pyridines, beginning with a N '-(1-(pyridine-3-yl)ethylidene)hydrazinecarbothiohydrazide derivative and various hydrazonoyl chlorides and phenacyl bromides. Their Schiff bases were prepared from the condensation of N-aminothiazole derivatives with 4-methoxybenzaldehyde. FTIR, MS, NMR, and elemental studies were used to identify new products. The binding energy for non-bonding interactions between the ligand (studied compounds) and receptor was determined using molecular docking against the SARS-CoV-2 main protease (PDB code: 6LU7). Finally, the best docked pose with highest binding energy (8a = -8.6 kcal/mol) was selected for further molecular dynamics (MD) simulation studies to verify the outcomes and comprehend the thermodynamic properties of the binding. Through additional in vitro and in vivo research on the newly synthesized chemicals, it is envisaged that the achieved results will represent a significant advancement in the fight against COVID-19.
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