[(1R,2S,5R)-2-[2-[3,5-di(propan-2-yloxy)phenyl]propan-2-yl]-5-methylcyclohexyl] (E)-9-(2-methoxy-3-propan-2-ylphenyl)-6-methyl-3-oxonon-6-enoate 在
manganese triacetate 、 ytterbium(III) triflate 作用下,
以
various solvent(s) 为溶剂,
以53%的产率得到[(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