2-溴-9,11beta-二氯-6beta-氟-17,21-二羟基-16alpha-甲基孕甾-1,4-二烯-3,20-二酮17,21-二(乙酸酯) 在
氢氧化钾 作用下,
以
甲醇 为溶剂,
生成 (6R,8S,9R,10S,11S,13S,14S,16R,17R)-2-Bromo-9,11-dichloro-6-fluoro-17-hydroxy-17-(2-hydroxy-acetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthren-3-one