(3S,5R,8R,9S,10S,13R,14S,17R)-3-Azido-17-furan-3-yl-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-14-ol 在
N-溴代丁二酰亚胺(NBS) 、
溶剂黄146 、
锌 作用下,
生成 3-((3S,5R,8R,9S,10S,13R,14S,17S)-3-Amino-14-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-5H-furan-2-one