| 摘要 |
NEW MATERIAL:A compound expressed by the formula. USE:An antitumor agent. PREPARATION:The Amphidinium sp. symbiosing with the Amphiscolops sp. is collected and cultured. Then the resultant culture broth is extracted with an appropriate solvent (e.g. methanol.toluene mixture) and subjected to silica gel column chromatography, reverse phase high-speed liquid chromatography, etc., to isolate and purify. |
