(3R,3aS,9aS,9bS)-3a-Ethyl-3-hydroxy-1,2,3,3a,4,5,8,9,9a,9b-decahydro-cyclopenta[a]naphthalen-7-one 在
咪唑 、
4-二甲氨基吡啶 、 selenium(IV) oxide 、
pyridinium chlorochromate 作用下,
反应 6.5h,
生成 (3R,3aS,9aS,9bS)-3-(tert-Butyl-dimethyl-silanyloxy)-3a-ethyl-2,3,3a,4,8,9,9a,9b-octahydro-1H-cyclopenta[a]naphthalene-5,7-dione