Sesquiterpenoids from Artemisia vestita and Their Antifeedant and Antifungal Activities

Four new sesquiterpenoids, named artemivestinolide D–G (1–4) and three known sesquiterpenoids (5–7), were isolated from Artemisia vestita. The structures of these new compounds were determined based on extensive spectroscopic data analyses. Furthermore, the electronic circular dichroism data determi...

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Published inMolecules (Basel, Switzerland) Vol. 24; no. 20; p. 3671
Main Authors Ding, Ying-Hui, Wang, Hui-Ting, Shi, Sha, Meng, Yao, Feng, Jin-Chao, Wu, Hai-Bo
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 11.10.2019
MDPI
Subjects
absolute configuration
Animals
Anti-Bacterial Agents - chemistry
Anti-Bacterial Agents - pharmacology
antifeedant
antifungal
Antifungal agents
Antifungal Agents - chemistry
Antifungal Agents - pharmacology
Artemisia - chemistry
artemisia vestita
Cotton
Fungi - drug effects
Fungi - pathogenicity
Larva - drug effects
Lepidoptera - microbiology
Metabolites
Plant Extracts - chemistry
Plant Extracts - pharmacology
Sesquiterpenes - chemistry
Sesquiterpenes - isolation & purification
Sesquiterpenes - pharmacology
sesquiterpenoids
China
antifeedant
antifungal
sesquiterpenoids
absolute configuration
Artemisia vestita
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Summary:Four new sesquiterpenoids, named artemivestinolide D–G (1–4) and three known sesquiterpenoids (5–7), were isolated from Artemisia vestita. The structures of these new compounds were determined based on extensive spectroscopic data analyses. Furthermore, the electronic circular dichroism data determined the absolute configurations of the new compounds. The antifeedant and antifungal activities of the isolates were evaluated against third-instar larvae of Plutella xylostella and three plant pathogenic fungi. Compounds 1–7 showed moderate antifeedant activities and compounds 1–4 and 6–7 exhibited antifungal activities.
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These authors contributed equally to this work.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules24203671