methyl (4aR,10aS)-1,3,4,10a-tetrahydro-1,1-dimethyl-7-(1-methylethyl)phenanthrene-4a(2H)-carboxylate 在
platinum(IV) oxide 、 palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
以94%的产率得到methyl (4aR,10aS)-1,3,4,9,10,10a-hexahydro-1,1-dimethyl-7-(1-methylethyl)phenanthrene-4a(2H)-carboxylate