在
盐酸 作用下,
以
乙醚 为溶剂,
反应 24.0h,
以85%的产率得到3-methyl-2-(L)-methylmino-butyric acid 16β-hydroxy-17-[5-(1-hydroxy-1-methyl-ethyl)-2-methyl-tetrahydro-furan-2-yl]-6α-methoxy-4,4,13,14-tetramethyl-tetradecahydro-cyclopropa[9,10]cyclopenta[a]phenanthren-3β-yl ester hydrochloride