(3aR,5aS,6S,9aR,9bR)-3a-[[tert-butyl(diphenyl)silyl]oxymethyl]-9a-hydroxy-6-[(4-methoxyphenyl)methoxy]-5a-methyl-3,4,5,6,7,8,9,9b-octahydro-2H-cyclopenta[a]naphthalen-1-one 在
2,6-二甲基吡啶 、
氯化亚砜 作用下,
以76%的产率得到(3aR,5aR,6S,9bS)-3a-[[tert-butyl(diphenyl)silyl]oxymethyl]-6-[(4-methoxyphenyl)methoxy]-5a-methyl-2,3,4,5,6,7,8,9b-octahydrocyclopenta[a]naphthalen-1-one