16α-(dimethylthexyl-silanyloxy)-17-(1,2-ethylene)-6α-methoxy-7α-[9-(4,4,5,5,5-pentafluoro-n-pentyl)thiononyl]-3-tetrahydropyranyloxy-estra-1,3,5(10)-triene 在
乙醇 、
4-甲基苯磺酸吡啶 作用下,
以96%的产率得到16α-(dimethylthexyl-silanyloxy)-17-(1,2-ethylene)-3-hydroxy-6α-methoxy-7α-[9-(4,4,5,5,5-pentafluoro-n-pentyl)thiononyl]-estra-1,3,5(10)-triene