N-hydroxy-2-oxo-2-phenylethanimidoyl chloride 、 17-(3-dimethylaminoacryloyl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one 在
三乙胺 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以59%的产率得到17-(3-benzoylisoxazole-3-carbonyl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrocyclopenta[a]phenanthreen-3-one