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On the relationship between electronic structure and carcinogenic activity in substituted Benz[a]anthracene derivatives | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X
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Abstract

On the relationship between electronic structure and carcinogenic activity in substituted Benz[a]anthracene derivatives

Author(s): Juan S. Gómez-Jeria and Pablo Castro-Latorre

A quantum chemical study was carried out to find relationships between the carcinogenic potency, quantified by the Iball and Berenblum indices, and the electronic structure of a group of substituted benz[a]anthracene derivatives. The electronic structure was calculated within Density Functional Theory at the mPW1PW91/LanL2DZ level with full geometry optimization. We obtained statistically significant relationships for both indices. The most important local atomic reactivity index appearing in both equations corresponds to the hardness of a carbon atom not bearing hydrogen. This result is important because some theories about carcinogenicity (K-L regions theory and bay-region theory) do not include this atom.


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