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Four new eunicellin-based diterpenes, simplexins P-S (1-4), and the known compound simplexin A (5), have been isolated from the soft coral Klyxum simplex. The structures of the new metabolites were determined on the basis of extensive spectroscopic analysis, particularly 1D and 2D NMR experiments. Compounds 1 and 3-5 were shown to exhibit cytotoxicity(More)
Glaucumolides A (1) and B (2), novel biscembranes composed of an unprecedented α,β-unsaturated ε-lactone, along with the known metabolites ximaolide A (3) and isosarcophytonolide D (4), were isolated from the cultured soft coral Sarcophyton glaucum. The structures of the new metabolites were determined by extensive spectroscopic analyses. Compounds 1 and 2(More)
We found some errors in our previous published paper [1]. The structure of simplexin Q was found to be the same as klysimplexin C, previously published in have the same structure (see Figure 1). We apologize for any inconvenience caused to the readers by these errors.
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