Marine Terpenes and Terpenoids. IV. Isolation of New Cembranoid and Secocembranoid Lactones from the Soft Coral Sinularia mayi
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Four α-methylene-γ-lactone derivatives, designated as mayolide A to mayolide D, were isolated from the soft coral Sinularia mayi. From the spectroscopic data and correlations to known compounds, they were shown to be cembranoid (2,3,4) and unprecedented secocembranoid (1) lactone derivatives. Their conformations and relative configurations are discussed on the basis of the common and characteristic unclear Overhauser effect (NOE) fearures.
- 公益社団法人日本薬学会の論文
- 1988-02-25
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