New Clerodane Diterpenoids from Tinospora Capillipes with Antibacterial and Anti‐Inflammatory Properties

Four new clerodane diterpenoids, namely tinocapills A–D (1–4), and one known analogue (5) were isolated from the roots of Tinospora capillipes in the present study. The structures of these new compounds, including their absolute configurations, were determined through a combination of detailed spect...

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Veröffentlicht in:Chemistry & biodiversity 2024-09, Vol.21 (9), p.e202401033-n/a
Hauptverfasser: Song, Yuan‐Ze, Yuan, Chao, Li, Wen‐Juan, Song, Qing‐Jiang, Zhu, Wen‐Hao, Zhang, Juan
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container_start_page e202401033
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creator Song, Yuan‐Ze
Yuan, Chao
Li, Wen‐Juan
Song, Qing‐Jiang
Zhu, Wen‐Hao
Zhang, Juan
description Four new clerodane diterpenoids, namely tinocapills A–D (1–4), and one known analogue (5) were isolated from the roots of Tinospora capillipes in the present study. The structures of these new compounds, including their absolute configurations, were determined through a combination of detailed spectroscopic analysis and theoretical statistical approaches, including electronic circular dichroism (ECD) analyses and quantum mechanical (QM)‐NMR methods. Additionally, the stereostructure of 5 was confirmed via X‐ray diffraction analysis. Furthermore, all these isolates were evaluated for their antibacterial and anti‐inflammatory activities. Compounds 1, 2 and 5 demonstrated antibacterial activity against methicillin‐resistant Staphylococcus aureus (MRSA) with MICs ranging from 4–64 μg/mL, and compounds 3 and 4 exhibited potential anti‐inflammatory effects by suppressing LPS‐induced TNF‐α and NO releases in RAW264.7 cells.
doi_str_mv 10.1002/cbdv.202401033
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source Wiley Online Library Journals Frontfile Complete
subjects Anti-inflammatory
Antibacterial
Antibacterial activity
Antiinfectives and antibacterials
Circular dichroism
Clerodane diterpenoid
Dichroism
Diterpenes
Drug resistance
Inflammation
Methicillin
NMR
Nuclear magnetic resonance
Quantum mechanics
Staphylococcus aureus
Tinospora capillipes
TNF-α and NO production
X-ray diffraction
title New Clerodane Diterpenoids from Tinospora Capillipes with Antibacterial and Anti‐Inflammatory Properties
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