A-Homo-4-aza-3-oxo- and 3-cyano-3,4-seco-olean-4,12-diene derivatives of 11-deoxo-glycyrrhetic acid were synthesized by first- and second-order Beckmann rearrangement of 3-hydroxyiminoolean-12-en-30-oic acid methyl ester.
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The work was supported financially by the RFBR (Grant 08-03-00366a).
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Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 441–443, July–August, 2009.
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Mikhailova, L.R., Khudobko, M.V., Baltina, L.A. et al. Beckmann rearrangement of 11-deoxo-glycyrrhetic acid 3-ketoxime. Chem Nat Compd 45, 519 (2009). https://doi.org/10.1007/s10600-009-9395-x
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DOI: https://doi.org/10.1007/s10600-009-9395-x