Cembranoids from the Dongsha Atoll Soft Coral Lobophytum crassum
2011
Shih-Tseng Lin | Shang-Kwei Wang | Chang-Yih Duh
Chemical investigation of the Dongsha Atoll soft coral Lobophytum crassum has afforded four new cembranoids, crassumols A–C (1–3) and 13-acetoxysarcophytoxide (4). The structures of these isolated compounds were elucidated by extensive NMR and HRESIMS experiments. The cytotoxicity and anti-HCMV (Human cytomegalovirus) activities of 1–4 were evaluated in vitro. Compound 4 exhibited cytotoxicity against A-549 (human lung carcinoma) cell line with an ED50 of 3.6 μg/mL.
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