QSAR Analysis for Antimicrobial Activity Prediction of Di-(Alkyl/Aryl)-Substituted Tin (IV) Metal Complexes Derived from Schiff Bases of Pyridoxal

The present study was undertaken to obtain Quantitative structure activity relationship (QSAR) models for predicting the antimicrobial activity of di-(alkyl/aryl)-substituted Tin (IV) metal complexes derived from Schiff bases of pyridoxal. A data set consisting of 12 di-(alkyl/aryl)- substituted Tin (IV) metal complexes derived from Schiff bases of pyridoxal was subjected to linear free energy regression analysis and QSARmodels were obtained for the respective microorganisms. The QSAR analysis revealed that energy of lowest unoccupied molecular orbital (LUMO), valence zero order molecular connectivity index (0  v ) and second order molecular connectivity index (2 ) were effectively moderating the antimicrobial activity of di-(alkyl/aryl)-substituted Tin (IV) metal complexes. The derived QSAR models have got excellent predictive power associated with them as evidenced by the low residual values. These models can be utilized for the prediction of antimicrobial activity of similar type of compounds. 
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