Design, Synthesis, and Antifungal Activity of 4-Amino Coumarin Based Derivatives

A series of 30 succinate dehydrogenase inhibitors (SDHIs) of 4-amino coumarin-based derivatives were designed and synthesized. According to the analysis of fungicidal activity in vitro, most of the compounds expressed broad-spectrum antifungal activity against four plant pathogenic fungi (<i>A...

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Main Authors: Lu Xu, Jinmeng Yu, Lu Jin, Le Pan
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/27/9/2738
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author Lu Xu
Jinmeng Yu
Lu Jin
Le Pan
author_facet Lu Xu
Jinmeng Yu
Lu Jin
Le Pan
author_sort Lu Xu
collection DOAJ
description A series of 30 succinate dehydrogenase inhibitors (SDHIs) of 4-amino coumarin-based derivatives were designed and synthesized. According to the analysis of fungicidal activity in vitro, most of the compounds expressed broad-spectrum antifungal activity against four plant pathogenic fungi (<i>Alternaria alternata, Alternaria solani, Fusarium oxysporum,</i> and <i>Botrytis cinerea</i>) using the mycelium growth inhibition method. The results showed that compounds <b>3n</b> with the group of 2-ene-3-methyl-butyl and <b>4e</b> with the group of 2-bromo-1-oxo-hexyl displayed excellent activity against <i>Alternaria alternata</i> and <i>Alternaria solani</i>, with EC<sub>50</sub> values of 92~145 μg/mL. Molecular docking showed that the inhibitor <b>3n</b> was completely locked into the cavity of SDH, forming a conventional hydrogen bond interacting with the amino acid residue TYR58. The present work indicates that these derivatives would serve as novel potential fungicides targeting SDH.
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spelling doaj.art-35fe4d3130374af4bf705b11105a69722023-11-23T08:49:00ZengMDPI AGMolecules1420-30492022-04-01279273810.3390/molecules27092738Design, Synthesis, and Antifungal Activity of 4-Amino Coumarin Based DerivativesLu Xu0Jinmeng Yu1Lu Jin2Le Pan3College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumqi 830052, ChinaCollege of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumqi 830052, ChinaCollege of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumqi 830052, ChinaCollege of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumqi 830052, ChinaA series of 30 succinate dehydrogenase inhibitors (SDHIs) of 4-amino coumarin-based derivatives were designed and synthesized. According to the analysis of fungicidal activity in vitro, most of the compounds expressed broad-spectrum antifungal activity against four plant pathogenic fungi (<i>Alternaria alternata, Alternaria solani, Fusarium oxysporum,</i> and <i>Botrytis cinerea</i>) using the mycelium growth inhibition method. The results showed that compounds <b>3n</b> with the group of 2-ene-3-methyl-butyl and <b>4e</b> with the group of 2-bromo-1-oxo-hexyl displayed excellent activity against <i>Alternaria alternata</i> and <i>Alternaria solani</i>, with EC<sub>50</sub> values of 92~145 μg/mL. Molecular docking showed that the inhibitor <b>3n</b> was completely locked into the cavity of SDH, forming a conventional hydrogen bond interacting with the amino acid residue TYR58. The present work indicates that these derivatives would serve as novel potential fungicides targeting SDH.https://www.mdpi.com/1420-3049/27/9/2738succinate dehydrogenaseinhibitor4-amino coumarinfungicideantifungal activitymolecular docking
spellingShingle Lu Xu
Jinmeng Yu
Lu Jin
Le Pan
Design, Synthesis, and Antifungal Activity of 4-Amino Coumarin Based Derivatives
Molecules
succinate dehydrogenase
inhibitor
4-amino coumarin
fungicide
antifungal activity
molecular docking
title Design, Synthesis, and Antifungal Activity of 4-Amino Coumarin Based Derivatives
title_full Design, Synthesis, and Antifungal Activity of 4-Amino Coumarin Based Derivatives
title_fullStr Design, Synthesis, and Antifungal Activity of 4-Amino Coumarin Based Derivatives
title_full_unstemmed Design, Synthesis, and Antifungal Activity of 4-Amino Coumarin Based Derivatives
title_short Design, Synthesis, and Antifungal Activity of 4-Amino Coumarin Based Derivatives
title_sort design synthesis and antifungal activity of 4 amino coumarin based derivatives
topic succinate dehydrogenase
inhibitor
4-amino coumarin
fungicide
antifungal activity
molecular docking
url https://www.mdpi.com/1420-3049/27/9/2738
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AT jinmengyu designsynthesisandantifungalactivityof4aminocoumarinbasedderivatives
AT lujin designsynthesisandantifungalactivityof4aminocoumarinbasedderivatives
AT lepan designsynthesisandantifungalactivityof4aminocoumarinbasedderivatives