(3R,3aR,5aS,5bR,11aS,11bS)-3-((R)-1,5-Dimethyl-hexyl)-3a,5b-dimethyl-9-phenyl-1,2,3,3a,4,5,5a,5b,6,7,8a,9,10b,11,11a,11b-hexadecahydro-9,10-diaza-cyclopenta[j]acephenanthrylen-8-one 在
lead(IV) acetate 作用下,
生成
3-oxo-2'-phenyl-4-cholesteno<4,6-cd>pyrazole