Structural, vibrational, NMR, quantum chemical, DNA binding and protein docking studies of two flexible imine oximes
Two flexible imine oxime molecules, namely, 3-(pyridin-2-ylmethylimino)-butan-2-one oxime (HL¹) and 3-(pyridin-2-ylmethylimino)-pentan-2-one oxime (HL²) have been synthesized and characterized by elemental analysis, IR and NMR techniques. The conformational behavior was investigated using the density functional theory (DFT) with the B3LYP method combined with the 6-311++G(d,p) basis set. As a result of the conformational studies, three stable molecules and the most stable conformer were determined for the both imine oximes. The spectroscopic properties such as vibrational and NMR were calculated for the most stable conformer of the HL¹ and HL². The calculation results were applied to simulate infrared spectra of the title compounds, which show good agreement with observed spectra. In addition, the stable three molecules of the both imine oximes have been used to carry out DNA binding and protein docking studies with DNA and protein structures (downloaded from Protein Data Bank) using Discovery Studio 3.5 to find the most preferred binding mode of the ligands inside the DNA and protein cavity.
YUNUS KAYA1 2
Volume 135, 2023
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