17-hydroxy-11-methoxy-18-norandrosta-4,8,11,13-tetraen-3-one 在
氢溴酸 作用下,
以
溶剂黄146 为溶剂,
反应 2.0h,
以75%的产率得到(10S,10'S)-11,11'-Dimethoxy-10,10'-dimethyl-1,2,6,7,10,15,1',2',6',7',10',15',16',17'-tetradecahydro-[16,17']bi[cyclopenta[a]phenanthrenyl]-3,3'-dione