Discovery of new eunicellins from an Indonesian octocoral Cladiella sp.

Yung Husan Chen, Chia Ying Tai, Yin Di Su, Yu Chia Chang, Mei Chin Lu, Ching Feng Weng, Jui Hsin Su, Tsong Long Hwang, Yang Chang Wu*, Ping Jyun Sung

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

26 Scopus citations

Abstract

Two new 11-hydroxyeunicellin diterpenoids, cladieunicellin F (1) and (-)-solenopodin C (2), were isolated from an Indonesian octocoral Cladiella sp. The structures of eunicellins 1 and 2 were established by spectroscopic methods, and eunicellin 2 was found to be an enantiomer of the known eunicellin solenopodin C (3). Eunicellin 2 displayed inhibitory effects on the generation of superoxide anion and the release of elastase by human neutrophils. The previously reported structures of two eunicellin-based compounds, cladielloides A and B, are corrected in this study.

Original languageEnglish
Pages (from-to)934-943
Number of pages10
JournalMarine Drugs
Volume9
Issue number6
DOIs
StatePublished - 06 2011

Keywords

  • Cladiella
  • Cladieunicellin
  • Elastase
  • Eunicellin
  • Octocoral
  • Superoxide anion

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