Flavonoids of the leaves of Colchicum speciosum


Substances (IIl) and (IV) were glycosides, and, as the result of acid hydrolysis, substance (III) yielded apigenin and D-glucose, and substance (IV) luteolin and D-glucose. It was established by UV spectroscopy with diagnostic additives that the carbohydrate residues in them were attached to the hydroxyls in the C-7 positions. Substance (III) was apigenin 7… (More)
DOI: 10.1007/BF00629812


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