(5S,7S,8S,9S,10S,13R,14S,17R)-17-Furan-3-yl-7-methoxymethoxy-4,4,8,10-tetramethyl-tetradecahydro-cyclopropa[13,17]cyclopenta[a]phenanthrene-3,16-dione 在
lithium 作用下,
以
四氢呋喃 、
氨 为溶剂,
生成 (5R,7R,8R,9R,10S,13R,14R,17R)-17-Furan-3-yl-7-methoxymethoxy-4,4,8,10,13-pentamethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,16-diol