Acetic acid (3S,5R,6S,8S,9S,10R,13R,14S,17R)-20-cyano-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-20-aza-cyclopropa[5,6]cyclopenta[a]phenanthren-3-yl ester 以
xylene 为溶剂,
反应 57.0h,
以92%的产率得到(3S,7S,8S,9S,10R,13R,14S,17R)-7-cyanamido-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 acetate