Atheronals
Atheronals are biologically relevant oxysterols formed in the reaction of cholesterol with ozone. Atheronal A is the major product of ozonolysis which is 3β-hydroxy-5-oxo-5,6-secocholestan-6-al. Atheronal B is formed by the intramolecular aldol reaction of Atheronal A, which is 3β-hydroxy-5β-hydroxy-B-norcholestane-6β-carboxaldehyde.
![](../I/m/lossy-page1-220px-Atheronal_A.tif.jpg)
![](../I/m/lossy-page1-220px-Atheronal_B.tif.jpg)
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