1-(2-吡啶基)哌嗪 、
(8S,9S,10R,11R,13S,14S,17R)-17-(2-Bromo-acetyl)-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthren-3-one 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
反应 18.0h,
以39%的产率得到(8S,9S,10R,11R,13S,14S,17R)-11,17-Dihydroxy-10,13-dimethyl-17-[2-(4-pyridin-2-yl-piperazin-1-yl)-acetyl]-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthren-3-one