Two new oleanane triterpenes from Maytenus hookeri

Two new triterpenes mayteneri A (1), mayteneri B (2), and seven known compounds (3-9) were isolated from stems of Maytenus hookeri Loes. The chemical structures of compounds 1 and 2 were established by 1D, 2D NMR, HRESIMS analysis, and calculating electronic circular dichroism (ECD). The structures...

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Published inJournal of asian natural products research Vol. 26; no. 7; pp. 803 - 811
Main Authors Yang, Quan-Yu, Yang, Song-Xue, Wei, Qiong, Ma, Yan-Zi, Li, Bo, Wu, Xue-Wen, Zhang, Rui-Han, Zhang, Xing-Jie, Li, Xiao-Li, Xiao, Wei-Lie
Format Journal Article
LanguageEnglish
Published ABINGDON Taylor & Francis 02.07.2024
Taylor & Francis Ltd
Subjects
anti-inflammatory activity
Celastraceae
chemical composition
Chemical compounds
Chemistry
Chemistry, Applied
Chemistry, Medicinal
Circular dichroism
Dichroism
Inflammasomes
Life Sciences & Biomedicine
Maytenus
Maytenus hookeri
NMR
Nuclear magnetic resonance
Pharmacology & Pharmacy
Physical Sciences
Plant Sciences
Science & Technology
Triterpenes
Two dimensional analysis
SESQUITERPENE ALKALOIDS
ACID
Celastraceae
triterpenes
Maytenus hookeri
MEDICINE
chemical composition
anti-inflammatory activity
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Abstract Two new triterpenes mayteneri A (1), mayteneri B (2), and seven known compounds (3-9) were isolated from stems of Maytenus hookeri Loes. The chemical structures of compounds 1 and 2 were established by 1D, 2D NMR, HRESIMS analysis, and calculating electronic circular dichroism (ECD). The structures of known compounds 3-9 were determined by comparison of their spectral with those reported. Compounds 4-7 showed significant inhibitory activity for NLRP3 inflammasome, with the IC 50 values of 2.36-3.44 μM.
AbstractList Two new triterpenes mayteneri A (1), mayteneri B (2), and seven known compounds (3-9) were isolated from stems of Maytenus hookeri Loes. The chemical structures of compounds 1 and 2 were established by 1D, 2D NMR, HRESIMS analysis, and calculating electronic circular dichroism (ECD). The structures of known compounds 3-9 were determined by comparison of their spectral with those reported. Compounds 4-7 showed significant inhibitory activity for NLRP3 inflammasome, with the IC50 values of 2.36-3.44 mu M. [GRAPHICS] .
Two new triterpenes mayteneri A (1), mayteneri B (2), and seven known compounds (3-9) were isolated from stems of Maytenus hookeri Loes. The chemical structures of compounds 1 and 2 were established by 1D, 2D NMR, HRESIMS analysis, and calculating electronic circular dichroism (ECD). The structures of known compounds 3-9 were determined by comparison of their spectral with those reported. Compounds 4-7 showed significant inhibitory activity for NLRP3 inflammasome, with the IC50 values of 2.36–3.44 μM.
Two new triterpenes mayteneri A (1), mayteneri B (2), and seven known compounds (3-9) were isolated from stems of Maytenus hookeri Loes. The chemical structures of compounds 1 and 2 were established by 1D, 2D NMR, HRESIMS analysis, and calculating electronic circular dichroism (ECD). The structures of known compounds 3-9 were determined by comparison of their spectral with those reported. Compounds 4-7 showed significant inhibitory activity for NLRP3 inflammasome, with the IC 50 values of 2.36-3.44 μM.
Two new triterpenes mayteneri A ( ), mayteneri B ( ), and seven known compounds ( ) were isolated from stems of Loes. The chemical structures of compounds and were established by 1D, 2D NMR, HRESIMS analysis, and calculating electronic circular dichroism (ECD). The structures of known compounds - were determined by comparison of their spectral with those reported. Compounds - showed significant inhibitory activity for NLRP3 inflammasome, with the IC values of 2.36-3.44  M.
Author Li, Bo
Li, Xiao-Li
Yang, Quan-Yu
Wei, Qiong
Yang, Song-Xue
Ma, Yan-Zi
Zhang, Xing-Jie
Xiao, Wei-Lie
Wu, Xue-Wen
Zhang, Rui-Han
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  organization: Southwest United Graduate School
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Keywords SESQUITERPENE ALKALOIDS
ACID
Celastraceae
triterpenes
Maytenus hookeri
MEDICINE
chemical composition
anti-inflammatory activity
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Snippet Two new triterpenes mayteneri A (1), mayteneri B (2), and seven known compounds (3-9) were isolated from stems of Maytenus hookeri Loes. The chemical...
Two new triterpenes mayteneri A ( ), mayteneri B ( ), and seven known compounds ( ) were isolated from stems of Loes. The chemical structures of compounds and...
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SubjectTerms anti-inflammatory activity
Celastraceae
chemical composition
Chemical compounds
Chemistry
Chemistry, Applied
Chemistry, Medicinal
Circular dichroism
Dichroism
Inflammasomes
Life Sciences & Biomedicine
Maytenus
Maytenus hookeri
NMR
Nuclear magnetic resonance
Pharmacology & Pharmacy
Physical Sciences
Plant Sciences
Science & Technology
Triterpenes
Two dimensional analysis
Title Two new oleanane triterpenes from Maytenus hookeri
URI https://www.tandfonline.com/doi/abs/10.1080/10286020.2024.2340073
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Summon&SrcAuth=ProQuest&DestApp=WOS&DestLinkType=FullRecord&UT=001219643300001
https://www.ncbi.nlm.nih.gov/pubmed/38721701
https://www.proquest.com/docview/3067141190
https://search.proquest.com/docview/3053137453
Volume 26
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