New oxidative and skeletal transformations of olean-9(11),12(13)-dien-30-oic acid that were based on ozonolysis and UV irradiation produced the 9α,11α-epoxide and opened ring C.
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C. S. Graebin, H. Verli, and J. A. Guimaraes, J. Braz. Chem. Soc., 21, 1595 (2010).
G. A. Tolstikov, L. A. Baltina, V. P. Grankina, R. M. Kondratenko, and T. G. Tolstikova, Licorice: Biodiversity, Chemistry, and Use in Medicine [in Russian], Akad. Izd. Geo, Novosibirsk, 2007.
P. Kalaiarasi and K. V. Pugalendi, Eur. J. Pharmacol., 606, 269 (2009).
L. R. Mikhailova, M. V. Khudobko, L. A. Baltina, Jr., L. V. Spirikhin, R. M. Kondratenko, and L. A. Baltina, Chem. Nat. Compd., 45, 393 (2009).
E. Pretsch, P. Buhlmann, and C. Affolter, Structure Determination of Organic Compounds, Springer, Berlin, New York, 2000.
L. R. Mikhailova, L. A. Baltina, R. M. Kondratenko, O. Kunert, L. V. Spirikhin, F. Z. Galin, and G. A. Tolstikov, Chem. Nat. Compd., 42, 553 (2006).
A. J. Gordon and R. A. Ford, A Chemist’s Companion, Wiley-Interscience, New York, 1972.
L. A. Baltina, O. B. Flekhter, Zh. M. Putieva, R. M. Kondratenko, L. V. Krasnova, and G. A. Tolstikov, Khim.-farm. Zh., 30, No. 4, 47 (1996).
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The work was supported financially by the RFBR (Grant 11-03-00462a) and NSh 7014.2012.3.
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Translated from Khimiya Prirodnykh Soedinenii, No. 2, March–April, 2014, pp. 265–267.
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Budaev, A.S., Mikhailova, L.R., Spirikhin, L.V. et al. Synthesis and NMR Spectra of New C-Modified Glycyrrhetic Acid Derivatives. Chem Nat Compd 50, 302–304 (2014). https://doi.org/10.1007/s10600-014-0937-5
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DOI: https://doi.org/10.1007/s10600-014-0937-5