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- Title
Six Undescribed Capnosane-Type Macrocyclic Diterpenoids from South China Sea Soft Coral Sarcophyton crassocaule : Structural Determination and Biological Evaluation.
- Authors
Peng, Hanyang; Zeng, Yanbo; Wang, Hao; Chang, Wenjun; Chen, Huiqin; Zhou, Fengjuan; Dai, Haofu; Wang, Xiachang
- Abstract
Six undescribed capnosane-type macrocyclic diterpenes sarcocrassolins A–F (1–6) and one related known analog pavidolide D (7) were isolated from Sarcophyton crassocaule, a soft coral collected off the Nansha Islands, in the South China Sea. Their complete structures, relative configurations and absolute configurations were established through comprehensive spectroscopic analysis, quantum mechanical nuclear magnetic resonance (QM-NMR) and single-crystal X-ray diffraction. Sarcocrassolins D (4) and E (5) showed inhibitory activity against lipopolysaccharide (LPS)-stimulated inflammatory responses in RAW264.7 cells with IC50 values of 76.8 ± 8.0 μM and 93.0 ± 3.8 μM, respectively.
- Subjects
ALCYONACEA; DITERPENES; NUCLEAR magnetic resonance; LIPOPOLYSACCHARIDES
- Publication
Marine Drugs, 2023, Vol 21, Issue 12, p645
- ISSN
1660-3397
- Publication type
Article
- DOI
10.3390/md21120645