Elsevier, Tetrahedron, 5(71), p. 792-800, 2015
DOI: 10.1016/j.tet.2014.12.064
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The semi-syntheses of taraxerane triterpenoids by diverse bromination processes and other reactions, from oleanolic acid and some closely related derivs., have been performed. For all the reactions performed, suitable mechanisms to explain the formation of these derivs. have been proposed. [on SciFinder(R)]