17-[3-(tetrahydropyran-2-yloxy)prop-1-ynyl]-11β-(4-isopropenylphenyl)-3,3-(2,2-dimethyltrimethylenedioxy)-9-estrene-5α,17β-diol 生成 (5'R,8'S,13'S,14'S,17'R)-5,5,13'-trimethyl-17'-[(Z)-3-(oxan-2-yloxy)prop-1-enyl]-11'-(4-prop-1-en-2-ylphenyl)spiro[1,3-dioxane-2,3'-2,4,6,7,8,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene]-5',17'-diol