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A series of novel E-ring modified evodiamine derivatives were designed and synthesized as antitumor agents. Their capacity to interfere with the catalytic activity of topoisomerase I and II was evaluated by the relaxation assay. In vitro antitumor activity results revealed that compound 12 showed good antitumor activity with a broad spectrum. Its binding modes with topoisomerase I and II were clarified by molecular docking.
A series of novel E-ring modified evodiamine derivatives were designed and synthesized as antitumor agents. Their capacity to interfere with the catalytic activity of topoisomerase I and II was evaluated by the relaxation assay. In vitro antitumor activity results results that compound 12 showed good antitumor activity with a broad spectrum. Its binding modes with topoisomerase I and II were clarified by molecular docking.