Benzoic acid (3S,5S,10S,13R,14R,17R)-17-((R)-1,5-dimethyl-hexyl)-15-[(E)-hydroxyimino]-10,13,14-trimethyl-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 在
sodium methylate 作用下,
以
甲醇 、
甲苯 为溶剂,
反应 12.0h,
生成
(3S,5S,10S,13R,14R,17R)-17-((R)-1,5-Dimethyl-hexyl)-3-hydroxy-10,13,14-trimethyl-1,2,3,4,5,6,7,10,11,12,13,14,16,17-tetradecahydro-cyclopenta[a]phenanthren-15-one oxime