2020
DOI: 10.1002/slct.201903305
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Design, Synthesis, Biological Evaluation and Molecular Dynamic Simulation Studies of Diphenyl Ether Derivatives as Antitubercular and Antibacterial Agents

Abstract: Tuberculosis is one of the leading cause of death worldwide and Mycobacterium tuberculosis still remains to be the fatal human pathogen. In pursuit of novel diphenyl ethers as antitubercular and antibacterial agents, a series of novel substituted N‐(3‐hydroxy‐4‐phenoxybenzyl)‐N‐phenylmethanesulfonamides 4 a‐k were rationally designed, synthesized and evaluated for their in vitro antitubercular and antibacterial activities. Compounds 4 j and 4 d appeared to be the most promising against Mycobacterium tuberculos… Show more

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Cited by 9 publications
(4 citation statements)
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“…The optimization of the representative compound ( 11b ) showed the lower energy of its E-configuration (21.2381 kcal/mol) over its Z-conunterpart (44.7232 kcal/mol) and thus were preferred for the ligand preparation studies. The crystal structures of the target proteins, InhA MTB (PDB ID: 1P45 ) and InhA MAB (PDB ID: 7U0M ) were obtained from RCSB Protein Data Bank and prepared using Protein Preparation Wizard [ 42 ] by adding hydrogen atoms and missing residues, assigning bond orders, and removing water molecules. Optimization of the hydrogen bond network was done using an OPLS4 force field and restrained minimization to RMSD of 0.30 Å.…”
Section: Methodsmentioning
confidence: 99%
“…The optimization of the representative compound ( 11b ) showed the lower energy of its E-configuration (21.2381 kcal/mol) over its Z-conunterpart (44.7232 kcal/mol) and thus were preferred for the ligand preparation studies. The crystal structures of the target proteins, InhA MTB (PDB ID: 1P45 ) and InhA MAB (PDB ID: 7U0M ) were obtained from RCSB Protein Data Bank and prepared using Protein Preparation Wizard [ 42 ] by adding hydrogen atoms and missing residues, assigning bond orders, and removing water molecules. Optimization of the hydrogen bond network was done using an OPLS4 force field and restrained minimization to RMSD of 0.30 Å.…”
Section: Methodsmentioning
confidence: 99%
“…The simulation was performed at a temperature of about 300 K, 1 atmospheric pressure and under a relaxation time of 20 ps. 71,72 During the simulation process, Martyne-Tobias-Klein barostat and Nose-Hoover thermostat approaches have been utilized for maintaining constant pressure and temperature scale at 1 atm and 300 K, respectively. 73 The NPT ensemble was initiated, which runs for about 100 ns.…”
Section: Molecular Dynamics Simulation Studiesmentioning
confidence: 99%
“…The diphenyl ether scaffold is a useful pharmacophore, and its derivatives have been found to possess a wide range of biological activities, , including antifungal, insecticidal, antibacterial, antiviral, anticancer, antiinflammatory, and antioxidant properties. Consequently, it has been incorporated as an active substructure in the creation of numerous commercial pesticides, particularly agricultural fungicides, insecticides, and herbicides (Figure ).…”
Section: Introductionmentioning
confidence: 99%