(1R,2S,5R)-2-[1-(3,5-Diisopropoxy-phenyl)-1-methyl-ethyl]-5-methyl-cyclohexanol 在
4-二甲氨基吡啶 、 manganese triacetate 、
ytterbium(III) triflate 作用下,
以
甲苯 为溶剂,
反应 2.0h,
生成 [(1R,2S,5R)-2-[2-[3,5-di(propan-2-yloxy)phenyl]propan-2-yl]-5-methylcyclohexyl] (1R,4aR,10aR)-8-methoxy-4a-methyl-2-oxo-7-propan-2-yl-1,3,4,9,10,10a-hexahydrophenanthrene-1-carboxylate