methyl (-)-(3aR,5aR,9aR)-3,3a,4,5,5a,8,9,9a-octahydro-6-hydroxy-1-isopropyl-3a,5a-dimethyl-2H-cyclopenta[a]naphthalene-7-carboxylate 在
六甲基磷酰三胺 、 samarium diiodide 、
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
生成 methyl (3aR,5aR,10aR)-2,3,3a,4,5,5a,6,7,8,9,10,10a-dodecahydro-1-isopropyl-3a,5a-dimethyl-6-oxocyclohepta[e]indene-8-carboxylate