Add time:08/05/2019         Source:sciencedirect.com

We report synthesis, anti-tuberculosis activity and 3D-QSAR study of forty nine hydrazide, semicarbazide and thiosemicarbazide derivatives of 4-(adamantan-1-yl)quinoline. The most potent compounds upon evaluation for anti-tuberculosis activity exhibited MIC99 of 3.125 μg/mL against Mycobacterium tuberculosis H37Rv strain. We applied the in silico technique of 3D-QSAR to study structure activity relationship of the synthesized compounds. The developed CoMFA model exhibited excellent r2ncv of 0.971, and r2cv of 0.543. The predicted r2pred of 0.883 showed that the predicted values were in good agreement with the experimental values. Further, the contour map analysis, suggested that the sterically bulky and electronegative substitutions at the para position of the phenyl ring are favorable for anti-tuberculosis activity.

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