期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1163, 期 -, 页码 147-160出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molstruc.2018.02.099
关键词
2-chloro-3-methylquinoline; DFT; UV-vis; NMR; FT-IR and Raman; Molecular docking
资金
- Celal Bayar University Research fund [FBE-2011/70, FBE-2017/139]
This study comprises the structural and spectroscopic evaluation of a quinoline derivative, 2-chloro-3-methylquinoline (2Cl3MQ), via UV-Vis, H-1 and C-13 NMR, FT-IR and FT-Raman techniques experimentally, theoretically with DFT and TD-DFT quantum chemical calculations at B3LYP/6-311++G (d, p) level of theory, and investigation of the in silico pharmaceutical potent of 2Cl3MQ in comparison to 2ClnMQ (n = 3,4,7,8,9,10) substituted quinolines. The experimental measurements were recorded as follows; UV vis spectra were obtained in the range of 200-400 nm in the water and ethanol solvents. H-1 and C-13 NMR spectra were recorded in CDCl3. Vibrational spectra were obtained in the region of 4000-400 cm(-1) and 3500-10 cm(-1) for FT-IR and FT-Raman spectra, respectively. Structural and spectroscopic features obtained through theoretical evaluations include: electrostatic features, atomic charges and molecular electrostatic potential surface, the frontier molecular orbital characteristics, the density of states and their overlapping nature, the electronic transition properties, thermodynamical and nonlinear optical characteristics, and predicted UV-Vis, H-1 and C-13 NMR, FT-IR and FT-Raman spectra. Ligand-enzyme interactions of 2ClnMQ (n = 3,4,7,8,9,10) substituted quinolines with Malate Synthase from Mycobacterium Tuberculosis (MtbMS) were investigated via molecular docking. The role of position of methyl substitution on the inhibitor character of the ligands was discussed on the basis of noncovalent interaction profiles. (C) 2018 Elsevier B.V. All tights reserved.
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