(1S,2S,5R)-2-[1-(4-Methoxy-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 [(1S,2S,5R)-2-[2-(4-methoxyphenyl)propan-2-yl]-5-methylcyclohexyl] (1S,4aS,10aS)-8-methoxy-4a-methyl-2-oxo-7-propan-2-yl-1,3,4,9,10,10a-hexahydrophenanthrene-1-carboxylate