[(3R,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] 3-iodobenzoate 在
磺酰氯 、
四丁基碘化铵 、 sodium hydride 、
过氧化苯甲酰 作用下,
以
四氢呋喃 、
四氯化碳 为溶剂,
反应 26.0h,
生成
(3R,5S,8S,10S,13R,14S,17R)-3-Benzyloxy-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene