(1S,3R,20S)-20-(4-triethylsilyloxy-5,5,5-trifluoro-4-methylpent-2-ynoyloxy)-1,3-bis(t-butyldimethylsilyloxy)-9,10-secopregna-5Z,7E,10(19)-triene 在
四丁基氟化铵 、
溶剂黄146 作用下,
反应 31.5h,
生成
(1S,3R,20S)-20-(5,5,5-trifluoro-4-hydroxy-4-methyl-3-oxopentanoyloxy)-9,10-secopregna-5Z,7E,10(19)-triene-1,3-diol