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. 1998 Mar 17;95(6):2862–2867. doi: 10.1073/pnas.95.6.2862

Figure 4.

Figure 4

Mechanism of ketone formation from hydroperoxides. This scheme illustrates how the addition of FeSO4 might reduce the 17-hydroperoxide of P to an intermediate alkoxy radical (29). Cleavage of the two-carbon side chain by β-fragmentation results in the formation of D.