The hydrolysis of the total glycosides of the seeds ofStrophanthus kombé Oliv. and the adsorption-chromatographic separation of the mixture of aglycones has given strophanthidin, strophanthidol, 17β-H-strophanthidin, and two new cardenolides denoted by the symbols IM-38 and IM-40 in the individual state. On the basis of the investigations carried out, the new cardenolides have been characterized provisionally as 3-epistrophanthidin and 3-epistrophanthidol.
Acetic Anhydride Paper Chromatography Methyl Ethyl Ketone Cardenolides Mother Solution
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