16α-(dimethylthexyl-silanyloxy)-17-(1,2-ethylene)-6α-hydroxy-7α-[9-(4,4,5,5,5-pentafluoro-n-pentyl)thiononyl]-3-tetrahydropyranyloxy-estra-1,3,5(10)-triene 在
氯化亚砜 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以90%的产率得到6α/β-chloro-16α-(dimethylthexyl-silanyloxy)-17-(1,2-ethylene)-7α-[9-(4,4,5,5,5-pentafluoro-n-pentyl)thiononyl]-3-tetrahydropyranyloxy-estra-1,3,5(10)-triene