3-((3S,4S,5R,9R,10R,13R,14R,15S)-3-Isopropenyl-15-isopropyl-4,9,10-trimethyl-hexadecahydro-cyclopenta[a]phenanthren-4-yl)-propionitrile 在
间氯过氧苯甲酸 作用下,
以
氯仿 为溶剂,
反应 67.0h,
以73%的产率得到3-[(3R,4R,5R,9R,10R,13R,14R,15S)-15-Isopropyl-4,9,10-trimethyl-3-(2-methyl-oxiranyl)-hexadecahydro-cyclopenta[a]phenanthren-4-yl]-propionitrile