Acetic acid (8R,9R,10S,13S,14S,17R)-17-acetyl-6-chloro-10,13-dimethyl-16-methylene-3-oxo-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester 在
氯 、
丙酸 作用下,
以
乙醚 、
N,N-二甲基甲酰胺 为溶剂,
生成 Acetic acid (8R,9R,10S,13S,14S,17R)-17-acetyl-4,6-dichloro-10,13-dimethyl-16-methylene-3-oxo-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester