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Synthesis of Substituted Esters of Ursolic, Betulonic, and Betulinic Acids Containing the Nitroxyl Radical 4-Amino-2,2,6,6-Tetramethylpiperidine-1-Oxyl

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An Erratum to this article was published on 31 March 2015

Reaction of ursolic, betulonic, and betulinic acids with 1-oxyl-2,2,6,6-tetramethylpiperidin-4-ylamino-2-chloroacetate in the presence of K2CO3 formed substituted esters of the triterpene acids with the nitroxyl radical 4-amino-2,2,6,6-tetramethylpiperidine-1-oxyl. The biological activity of the synthesized derivatives was studied.

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Authors and Affiliations

  1. Novosibirsk Institute of Organic Chemistry, Prosp. Akad. Lavrent’eva, 9, 630090, Novosibirsk, Russia

    S. A. Popov, A. V. Shpatov & I. A. Grigor’ev

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  1. S. A. Popov
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  2. A. V. Shpatov
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  3. I. A. Grigor’ev
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Correspondence to S. A. Popov.

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Translated from Khimiya Prirodnykh Soedinenii, No. 1, January–February, 2015, pp. 78–81.

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Popov, S.A., Shpatov, A.V. & Grigor’ev, I.A. Synthesis of Substituted Esters of Ursolic, Betulonic, and Betulinic Acids Containing the Nitroxyl Radical 4-Amino-2,2,6,6-Tetramethylpiperidine-1-Oxyl. Chem Nat Compd 51, 87–90 (2015). https://doi.org/10.1007/s10600-015-1209-8

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  • DOI: https://doi.org/10.1007/s10600-015-1209-8

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