Terpenoids from the South China Sea soft coral Sinularia multiflora
2021
Wang, Zheng | Li, Binglin | Luo, Xiang-Chao | Wang, Qi | van Ofwegen, Leen | Tang, Xu-Li | Li, G. Q.
A rare sinulariane-type norcembranoid sinulariadiolide B (1) with a unique cyano group, and a eunicellin-based diterpenoid multifloralin (2), along with two known related analogues, sinulariadiolide (3) and sclerophytin E (4), were isolated from the extract of the South China Sea soft coral Sinularia multiflora. Their structures were elucidated on the basis of detailed spectroscopic analysis and by comparison with previously reported data. Compounds 2 and 4 showed potent antifouling activity against barnacle Balanus albicostatus.
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