[(2R,3R)-3-[hydroxy(diphenyl)methyl]-1,4-dioxaspiro[4.4]nonan-2-yl]-diphenylmethanol;N-methyl-N-phenylcyclohexene-1-carboxamide 在
sodium alkyl sulfate 作用下,
以
水 为溶剂,
反应 50.0h,
以62%的产率得到(6aR,10aR)-5-methyl-6a,7,8,9,10,10a-hexahydrophenanthridin-6(5H)-one