3-[1-(Cyclohexylamino)-2-methoxyethyl]phenol 、 (10'S,13'R)-13'-(2-bromoethyl)-10'-methylspiro[1,3-dioxolane-2,3'-2,4,5,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthrene]-17'-one 在
caesium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 3.17h,
以60%的产率得到(10'S,13'R)-13'-[2-[3-[1-(cyclohexylamino)-2-methoxyethyl]phenoxy]ethyl]-10'-methylspiro[1,3-dioxolane-2,3'-2,4,5,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthrene]-17'-one