methyl (4aR,10aS)-5,6-dihydroxy-9-((2-hydroxyethyl)thio)-7-isopropyl-1,1-dimethyl-1,3,4,9,10,10a-hexahydrophenanthrene-4a(2H)-carboxylate 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
1,4-二氧六环 为溶剂,
反应 0.5h,
生成 methyl (4aR,10aS)-9-((2-hydroxyethyl)thio)-7-isopropyl-1,1-dimethyl-5,6-dioxo-1,3,4,5,6,9,10,10a-octahydrophenanthrene-4a(2H)-carboxylate