The new double bond introduced into lupeol, betulin diacetate, and methyl acetylbetulinate by dehydrogenation with mercuric acetate is shown to be in conjugation with the side-chain double bond. Two previously unidentified saturated acetates arising from the oxidation of dihydrodehydrolupenyl acetate (VIIa) are now identified.
S. P. Adhikary, W. Lawrie and J. McLean, J. Chem. Soc. C, 1970, 1030 DOI: 10.1039/J39700001030
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