Abstract
The structures of ergosterin peroxide and the corresponding ergostadiene-triol are not yet fully detd. The former compound may be a 5,6-peroxide or a 5,8rperoxide. Bergmann and associates (J. of Organic Chemistry, 4: 29, 1939) have suggested that the structure of the reaction product by the thermic rearrangement of ergosterin peroxide is similar to that of products obtained from other peroxides.