(1R,4aR,7S,8S,10aR)-7,8-Dihydroxy-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-phenanthrene-1-carbaldehyde 在
lead(IV) acetate 、
氢氧化钾 、
对甲苯磺酸 、
肼 作用下,
生成
1-((4aS,8aS)-2-[1,3]Dioxan-2-yl-5,5,8a-trimethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-4-methyl-pentan-3-one