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Year 2007, Month 4 (Section Brief Communications, Page 835)

Synthesis of 19β,28-epoxy-23,24-dinor-A-neo-18α-olean-4-en-3-one from betulin

N. I. Medvedeva, O. B. Flekhter, O. S. Kukovinets, F. Z. Galin, G. A. Tolstikov, I. Baglin, and C. Cavé

19β,28-epoxy-23,24-dinor-A-neo-18α-olean-4-en-3-one was obtained from betulin in a total yield of 18%.

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