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Nine undescribed sesquiterpenoids from the aerial parts of Daphne penicillata : cyclooxygenase-2 inhibition, molecular docking, and molecular dynamics studies
Nine undescribed carotane sesquiterpenes and rare rearranged guaiane sesquiterpenoids (1–9), along with two known analogues (10–11), were obtained from the aerial parts of Daphne penicillata . Their structures and absolute configurations were determined by extensive spectroscopic analyses, NMR/ECD c...
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Published in: | New journal of chemistry 2023-11, Vol.47 (45), p.20890-20899 |
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Main Authors: | , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | Nine undescribed carotane sesquiterpenes and rare rearranged guaiane sesquiterpenoids (1–9), along with two known analogues (10–11), were obtained from the aerial parts of
Daphne penicillata
. Their structures and absolute configurations were determined by extensive spectroscopic analyses, NMR/ECD calculations, and single-crystal X-ray diffraction analysis. All the compounds were evaluated for anti-inflammatory and cytotoxic activities. The inhibitory effect of several active sesquiterpenoids against the cyclooxygenase-2 (COX-2) enzyme was also examined by an
in vitro
enzyme inhibition assay. Furthermore, molecular docking, molecular dynamics (MD) simulation, and binding free energy calculations were applied to further analyze the interactions, stability, and affinity, among which compounds 3 and 4 exhibited high binding affinities and stable binding to the active site of COX-2. |
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ISSN: | 1144-0546 1369-9261 |
DOI: | 10.1039/D3NJ04013E |