(13S,14S,15S,17R)-3-Methoxy-13-methyl-12,13,15,16,17,20-hexahydro-11H-cyclopropa[14,15]cyclopenta[a]phenanthren-17-ol 在
4 A molecular sieve 作用下,
以
二氯甲烷 为溶剂,
反应 48.0h,
生成 (13S,14R,15R,17R)-3-Methoxy-13-methyl-12,13,15,16,17,20-hexahydro-11H-cyclopropa[14,15]cyclopenta[a]phenanthren-17-ol