16α-(dimethylthexyl-silanyloxy)-17-(1,2-ethylene)-3-hydroxy-6-keto-7α-[9-(4,4,5,5,5-pentafluoro-n-pentyl)-thiononyl]-estra-1,3,5(10)-triene 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
以70%的产率得到1α-(dimethylthexyl-silanyloxy)-17-(1,2-ethylene)-3,6α-dihydroxy-7α-[9-(4,4,5,5,5-pentafluoro-n-pentyl)thiono-nyl]-estra-1,3,5(10)-triene