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An epoxysterol and other constituents of Tanzania soft corals
Abstract
Three biologically active Lobophytum species, L. crassum von Marenzeller (1886), L. rotundum Tixier- Durivault (1957) and L. venustum Tixier-Durivault (1957) and one Sinularia species were phytochemically investigated. Lobophytum rotundum afforded an epoxysterol (1), cembraolide (2), and fatty acid ester (4), and ether glycerols (6 and 7). Compound 2 was also isolated in L. crassum together with another fatty acid ester (5). Lobophytum venustum produced epoxycembrene 3 and compound 4. Two ether glycerols (6 and 8) were isolated from the Sinularia species. This paper reports the isolation and structure elucidation of compounds 1, and 4-8.
Keywords: Marine sterols, Cnidaria, soft corals.
