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Allobetulin Ring A Contraction Effected by Sulfur Diethylaminotrifluoride

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Abstract

The action of sulfur diethylaminotrifluoride on 19β,28-epoxyoleanan-3-ol (allobetulin) causes dehydration of the terpenoid and isomerization of the ring A via its contraction to isopropylcyclopentene ring resulting in 19β,28-epoxy-A-neo-18α-olean-3(5)-ene (α-allobetulin) in a high yield.

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Authors and Affiliations

  1. High School of Technology and Energetics, St. Petersburg State University of Industrial Technology and Design, ul. Ivana Chernykh 4, St. Petersburg, 198095, Russia

    A. N. Fedorov, D. E. Samoilenko, M. V. Shafeeva & Yu. G. Trishin

  2. Research Institute of Hygiene, Toxicology, and Occupational Pathology, Federal Medical-Biological Agency of Russia, Kuzmolovskii, Russia

    V. V. Abzianidze

Authors
  1. A. N. Fedorov
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  2. D. E. Samoilenko
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  3. M. V. Shafeeva
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  4. V. V. Abzianidze
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  5. Yu. G. Trishin
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Corresponding author

Correspondence to Yu. G. Trishin.

Additional information

Dedicated to the 110th anniversary of M.I. Kabachnik’s birth

Original Russian Text © A.N. Fedorov, D.E. Samoilenko, M.V. Shafeeva, V.V. Abzianidze, Yu.G. Trishin, 2018, published in Zhurnal Obshchei Khimii, 2018, Vol. 88, No. 9, pp. 1580–1583.

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Fedorov, A.N., Samoilenko, D.E., Shafeeva, M.V. et al. Allobetulin Ring A Contraction Effected by Sulfur Diethylaminotrifluoride. Russ J Gen Chem 88, 1948–1950 (2018). https://doi.org/10.1134/S1070363218090347

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  • DOI: https://doi.org/10.1134/S1070363218090347

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