(8S,9R,10R,13S,14R,15S,16R)-16-Methoxymethoxy-4,8,10-trimethyl-1,7,8,9,10,11,12,13,15,16,17,20-dodecahydro-2H,6H-cyclopropa[14,15]cyclopenta[a]phenanthren-3-one 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 1.0h,
以100%的产率得到(3S,8S,9R,10R,13S,14R,15S,16R)-16-Methoxymethoxy-4,8,10-trimethyl-1,3,6,7,8,9,10,11,12,13,15,16,17,20-tetradecahydro-2H-cyclopropa[14,15]cyclopenta[a]phenanthren-3-ol