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Beilstein J. Org. Chem. 2012, 8, 164–169, doi:10.3762/bjoc.8.17
Graphical Abstract
Figure 1: ORTEP diagram of compound 4 (50% probability level, H atoms of arbitrary sizes). The asymmetric uni...
Scheme 1: Sequential 2-step synthesis of 3,12-dioxoolean-28-oic acid (11) directly from 3-oxooleanolic acid (1...
Figure 2: ORTEP diagram of compound 11 (50% probability level, H atoms of arbitrary sizes).