3-[(1R,4aR,5S,6R,8aR)-5-[(S)-2-[(R)-3,3-dimethyloxiran2-yl]-2-hydroxyethyl]-5,8a-dimethyl-2-methylene-6-(triethylsilyloxy)decahydronaphthalen-1-yl]methyl-5,6-dimethyl-2-methoxy-4H-pyran-4-one 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以100%的产率得到3-[(1R,4aR,5S,6R,8aR)-5-[(S)-2-[(R)-3,3-dimethyloxiran2-yl]-2-hydroxyethyl]-5,8a-dimethyl-2-methylene-6-(hydroxy)decahydronaphthalen-1-yl]methyl-5,6-dimethyl-2-methoxy-4H-pyran-4-one