二碳酸二叔丁酯 、
3-((3-(((3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl)oxy)propyl)amino)propanenitrile 在
sodium tetrahydroborate 、 nickel (II) chloride hexahydrate 作用下,
以
甲醇 为溶剂,
反应 0.08h,
以80%的产率得到tert-butyl (3-((tert-butoxycarbonyl)amino)propyl)(3-(((3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl)oxy)propyl)carbamate