Abstract
Six new polyoxygenated briarane-type diterpenoids, briaexcavatins Q-T (1-4) and robustolides J (5) and K (6), were isolated from a cultured octocoral Briareum excavation and a sea whip gorgonian coral Ellisella robusta, respectively. The structures of briaranes 1-6 were established by spectroscopic methods. Briarane 3 exhibited weak cytotoxicity toward CCRF-CEM tumor cells and briaranes 5 and 6 displayed inhibitory effects on superoxide anion generation by human neutrophils.
Original language | English |
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Pages (from-to) | 1638-1646 |
Number of pages | 9 |
Journal | Bulletin of the Chemical Society of Japan |
Volume | 81 |
Issue number | 12 |
DOIs | |
State | Published - 2008 |