11beta-Fluoro-7alpha-{5-[(3,4,4,5,5,5-hexafluoropent-2-enyl)methylamino]pentyl}-3-hydroxyestra-1,3,5(10)-trien-17-one 、
硼氢化钠 在
二氯甲烷 、
magnesium sulfate 、 crude product 、 silica gel 、
ethyl acetate n-hexane 、 Ethylacetate acetone 作用下,
以
甲醇 为溶剂,
反应 0.25h,
以an ethyl acetate-acetone gradient, 241 mg of 11β-fluoro-7α-{5-[(3,4,4,5,5,5-hexafluoro-pent-2-enyl)-methyl-amino]-pentyl}-estra-1,3,5(10)-triene-3,17β-diol with a melting point of 122° C. is obtained的产率得到11β-Fluoro-7α-{5-[(3,4,4,5,5,5-hexafluoro-pent-2-enyl)-methyl-amino]-pentyl}-estra-1,3,5(10)-triene-3,17βdiol