(5S,8S,9S,10S,11S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-11-fluoro-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-one 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,
以75%的产率得到(8S,9S,10R,11S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-11-fluoro-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthren-3-one