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Briarane diterpenes from the South China Sea gorgonian coral, Junceella gemmacea.

  • Author(s): Zhou, Wei
  • Li, Jiao
  • E, Heng-Chao
  • Liu, Bao-Shu
  • Tang, Hua
  • Gerwick, William H
  • Hua, Hui-Ming
  • Zhang, Wen
  • et al.
Abstract

Four new briarane diterpenoids, junceellolides M-P (1-4), were isolated together with seven known analogs (5-11) from the South China Sea gorgonian, Junceella gemmacea. The structures of these compounds were elucidated by detailed spectroscopic analysis and comparison with the reported data. The absolute configuration of compounds 1-3 were determined based on an ECD experiment, while the absolute configuration of compound 4 was genetically determined. All the compounds were isolated for the first time from J. gemmacea. These compounds showed no growth inhibitory activity against A549, MG63 and SMMC-7721 cell lines in an in vitro bioassay.

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