13 ある種の海藻に含まれるジテルペンフェノール類の構造と合成

概要

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It was found recently that settling of swimming larvae to a specific marine plant was induced by adding a drop of sap of Sargassum tortile L., a marine plant to which the swimming larvae settle specifically. This finding prompted us to search the active substance in the plant. From the plant, we have obtained an active portion which consisted of at least six substances (Table 2). The compound B was proved to be identical with δ-tocotrienol (1) on the basis of NMR and mass spectra. The physical data of other materials are alike to B excepting some details and lead to postulation that A might have structure (2). On the meanwhile, J. D. Martin and his coworkers reported recently the structure of taondiol (3), isolated from a marine plant, Taonia atomaria. The synthesis of these three compounds were carried out, the results of which were shown in the figures.
1973-10-01