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New Antibacterial Diterpenoids from the South China Sea Soft Coral Klyxum molle
- Publication Year :
- 2023
- Publisher :
- MDPI AG, 2023.
-
Abstract
- Fifteen new diterpenoids, namely xishaklyanes A-O (1-15), along with three known related ones (16-18), were isolated from the soft coral Klyxum molle collected from Xisha Islands, South China Sea. The stereochemistry of the new compounds were elucidated by a combination of detailed spectroscopic analyses, chemical syntheses, quantum chemical calculations and comparison with the reported data. The absolute configuration of compound 18 was established by the modified Mosher's method for the first time. In bioassay, some of these compounds exhibited considerable antibacterial activities on fish pathogenic bacteria, and compound 4 showed the most effective activity with MIC of 0.225 g/mL against Lactococcus garvieae.
Details
- Database :
- OpenAIRE
- Accession number :
- edsair.doi...........0a0160c49bfac2969b1d3791692ba828