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QSAR in Flavonoids by Similarity Cluster Prediction

[ Vol. 10 , Issue. 2 ]


Alexandra M. Harsa, Teodora E. Harsa, Sorana D. Bolboaca and Mircea V. Diudea   Pages 115 - 128 ( 14 )


Quantitative Structure-Activity Relationships based on molecular descriptors calculated with correlation weights within the hypermolecule, considered to mimic the investigated correlational space, was performed on a set of 40 flavonoids (PubChem database). The best models describing log P and LD50 of this set of flavonoids were validated by the leave-one-out procedure, in the external test set and in a new version of prediction by using clusters of similar molecules. The best prediction was provided by the similarity cluster procedure.


Flavonoids, hypermolecule, LD50 (lethal dose), log P, QSAR (quantitative structure-activity relationships), similarity.


Faculty of Chemistry and Chemical Engineering, BabeĊŸ-Bolyai University, 400028 Cluj, Romania.

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