(3S,4aS,4bS,8R,8aR,10R,10aR)-14-(2-((tert-butyldimethylsilyl)oxy)ethyl)-10-hydroxy-8-methyl-2-methylenedecahydro-1H,5H-3,10a-ethano-4b,8-(methanoiminomethano)phenanthren-1-one 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
以55%的产率得到(1S,2S,4S,7R,8R,10R,11R)-8-hydroxy-13-(2-hydroxyethyl)-11-methyl-5-methylidene-13-azapentacyclo[9.3.3.24,7.01,10.02,7]nonadecan-6-one