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

27 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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