Through a statistical analysis of electronic parameters obtained from DFT calculations we were able to predict
the IC50 of ketonethiosemicarbazone derivatives. A quantitative study of the structure-activity with multiple linear regression
was performed, using the electronic parameters: electron affinity, HOMO-LUMO energy gap, atomic charges of N,
dipole moment and the lipophilicity of the compounds studied. The results indicate a good agreement with existing experimental
data and allow us to suggest two new compounds as candidates for anti-tumor agents.
Keywords: DFT calculations, ketonethiosemicarbazone, melanogenesis, structure activity relationship.
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