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Keywords:

  • 2-chloro-3-formylquinoline;
  • antimycobacterial activity;
  • Ethionamide;
  • Lipinski's rule;
  • pharmacokinetic descriptor;
  • thiocarbamide

A series of 1-(substituted-phenyl)-1-[(2-chloroquinolin-3-yl)methyl]thiocarbamide and 1-(substituted-phenyl)-1-[(2-chloroquinolin-3-yl)methyl]methylthiocarbamide derivatives was synthesized as antitubercular agent. The structure of quinolinyl amines and their thiocarbamide derivatives were established on the basis of IR, 1H and 13C-NMR and mass spectral data. All the compounds were tested in vitro for antimycobacterial activity against Mycobacterium tuberculosis (ATCC-25177) in Lowenstein-Jensen medium by well diffusion method and MIC by twofold serial dilution method. Results of the antitubercular screening revealed that compounds showed moderate to good antitubercular activity. Compound having two halogens in the phenyl rings viz. 3g, 3h, 4g, and 4h exhibited MIC of 50 μg/mL. The computational parameters relevant to absorption and permeation of target compounds were also calculated and found to be well correlated with antitubercular activity.