Summary
The separation of the chloroform fraction of the combined alkaloids ofG. olivieri according to basicities (pH 6.0 and 4.0) has yielded gentioflavine, gentiananine, and the new base oliveramine, C20H20N2O4. On the basis of its UV, IR, NMR, and mass spectra structure (I) has been put forward as the most probable for it.
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Literature cited
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Additional information
Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 64–67, January–February, 1973.
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Rakhmatullaev, T.U., Yunusov, S.Y. Alkaloids of Gentiana olivieri. Chem Nat Compd 9, 56–58 (1973). https://doi.org/10.1007/BF00580892
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DOI: https://doi.org/10.1007/BF00580892