Synthesis, Biological Evaluation, Molecular Docking, and Molecular Dynamic Simulation Studies of Some New 5-(3,4,5-Trimethoxybenzyl)pyrimidine-2,4-diamine (Trimethoprim) Derivatives via Modified Mannich-Type Reaction
Russian Journal of Bioorganic Chemistry(2024)
Abstract
Objective: This article is focused on synthesis and characterisation of 1,1-(((5-(3,4,5triethoxybenzyl)pyrimidine-2,4-diyl))bis(azanediyl))bis(substituted phenyl methylene))bis(naphthalen-2-ol) moieties and evaluated for antibacterial and antioxidant activities as well as molecular docking and molecular dynamic simulation investigations. Methods: In this article we conducted one-pot three component reactions through Betti type reaction. Agar diffusion method was used to evaluate anti-bacterial properties. The DPPH method was used to determine antioxidant activity results. Results: A series of 1,1-(((5-(3,4,5triethoxybenzyl)-pyrimidine-2,4-diyl))bis(azanediyl))bis(substituted phenyl methylene))bis(naphthalen-2-ol) were synthesized via Betti type reaction and evaluated for their antibacterial and antioxidant activities. Further, all the synthesized compounds were characterized by FT-IR, 1H, and 13C NMR, and mass spectral analysis. Discussion: Molecular docking was carried out to study possible potential binding interaction of synthesized Betti base derivatives with 1NC6 PDB as receptor. The molecular dynamic (MD) was performed to investigate stability of binding interaction of drug-target (protein–ligand) complex. All the synthesized compounds were investigated for their antibacterial and antioxidant activity. Conclusions: Betti base derivatives were synthesized and studied on the basis of computer aided drug design including docking and molecular dynamic (MD) simulations and pharmacologically assessed for antioxidant and antibacterial activity. Molecular docking investigation revealed that compounds showed better binding energies in the range –4.1 to –7.3 kcal/mol suggests that the binding occurs efficiently in the receptor–ligand complex. These Betti base derivatives were synthesized via Betti base protocol at 70oC through one-pot three component reaction with acceptable yields, as cost efficient, high yield, easy workup and environmental friendliness. Afterwards, obtained molecules have characterized by FT-IR, NMR, and Mass spectra which confirms the chemical structure of the synthesized compounds.
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Key words
1-(α-aminoalkyl)-2-naphthols,Betti base,catalyst-free,antibacterial,antioxidant,molecular docking,molecular dynamic simulation
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