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 、 N-hydroxy-α-oxo-2-thiopheneethanimidoyl chloride 在
三乙胺 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以53%的产率得到10,13-dimethyl-(3-(2-thienyl)-2-carbonyl)isoxazole-4-carbonyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrocyclopenta[a]phenanthreen-3-one