21-溴-17-羟基-孕-4,9(11)-二烯-3,20-二酮 、
2-(piperazin-1-ylmethyl)pyridin-3-ol 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
反应 18.0h,
以42%的产率得到(8S,10S,13S,14S,17R)-17-Hydroxy-17-{2-[4-(3-hydroxy-pyridin-2-ylmethyl)-piperazin-1-yl]-acetyl}-10,13-dimethyl-1,2,6,7,8,10,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthren-3-one