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Molecular topology and QSAR multi-target analysis to boost the in silico research for fungicides in agricultural chemistry |
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| Authors: | Zanni Riccardo Galvez-Llompart Maria Garcia-Pereira Inma Galvez Jorge Garcia-Domenech Ramon |
| Affiliation: | 1.Molecular Topology and Drug Design Unit, Department of Physical Chemistry, University of Valencia, Valencia, Spain ;2.Microbiology and Plant Pathology-Unit (CSIC Associated), Department of Microbiology, Faculty of Sciences, University of Malaga, Malaga, Spain ;3.Institute of Robotics and Information and Communication Technologies (IRTIC), University of Valencia, Valencia, Spain ;4.Department of Physical Chemistry, University of Valencia, Avenida V.A. Estelles s/n, Burjassot, 46100, Valencia, Spain ; |
| Abstract: | The aim of the present study is to show how molecular topology can be a powerful in silico tool for the prediction of the fungicidal activity of several diphenylamine derivatives against three fungal species (cucumber downy mildew, rice blast and cucumber gray mold). A multi-target QSAR model was developed, and two strategies were followed. First is the construction of a virtual library of molecules using DesMol2 program and a subsequent selection of potential active ones. Second is the selection of molecules from the literature on the basis of molecular scaffolds. More than 700 diphenylamine derivatives designed and other 60 fluazinam’s derivatives with structural similarity higher than 80% were studied. Almost twenty percent of the molecules analyzed show potential activity against the three fungal species. |
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