Identification of Sulfonamide Compounds Active on the Insect Nervous System: Molecular Modeling, Synthesis and Biological Evaluation.
Bioorganic & medicinal chemistry letters(2023)
Abstract
Insect nicotinic acetylcholine receptors (nAChRs) are a recognized target for insecticide design. In this work, we have identified, from a structure-based approach using molecular modeling tools, ligands with potential selective activity for pests versus pollinators. A high-throughput virtual screening with the Openeye software was performed using a library from the ZINC database, thiacloprid being used as the target structure. The top sixteen molecules were then docked in α6 cockroach and honeybee homomeric nAChRs to check from a theoretical point of view relevant descriptors in favor of pest selectivity. Among the selected molecules, one original sulfonamide compound has afterward been synthesized, together with various analogs. Two compounds of this family have been shown to behave as activators of the cockroach cholinergic synaptic transmission.
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Key words
Insect nicotinic acetylcholine receptor,Molecular docking,Sulfonamide compounds,Electrophysiological studies,Cockroach,Honeybee
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