1-Oxadispiro[2.2.2^{6}.2^{3}]decane 、 (3S,5S,8R,9S,10S,13S,14S,17R)-17-[(2S)-1-(benzenesulfonyl)propan-2-yl]-10,13-dimethyl-3-(trifluoromethyl)-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-ol 在
正丁基锂 、
magnesium 、 nickel dichloride 作用下,
以
四氢呋喃 、
甲醇 、
正己烷 为溶剂,
反应 18.33h,
生成 (3S,5S,8R,9S,10S,13R,14S,17R)-17-[(2R)-4-(6-hydroxyspiro[2.5]octan-6-yl)butan-2-yl]-10,13-dimethyl-3-(trifluoromethyl)-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-ol