Use of formylindolylacetic acid as a reagent at the stage of preparing the glycosides of bis(indolyl)furan-2,5-diones and dioxane as solvent increased yields from 5 – 10% to 60 – 63%, decreased the duration of the reaction from 6 h to 2 h, and significantly simplified extraction of products adequate for use at the next stage of photochemical oxidation to furancarbazole derivatives. New data are presented on the cytotoxic activity of the indocarbazole N-glycosides synthesized here, covering a wide range of cell structures and giving a more complete view of the antiproliferative properties of the compounds synthesized.
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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 53, No. 7, pp. 13 – 17, July, 2019.
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Éktova, L.V., Goryunova, O.V., Eremina, V.A. et al. An Improved Method for the Synthesis of the of Indole[2,3-a]Pyrrolo[3,4-c]Carbazole-5,6-Dione N-Glycosides and their Cytotoxic Activity. Pharm Chem J 53, 604–609 (2019). https://doi.org/10.1007/s11094-019-02046-4
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DOI: https://doi.org/10.1007/s11094-019-02046-4