(7aRS,10aSR)-9-ethylidene-7,7a,9,10,11,12-hexahydro-7a-methylcyclopentaphenanthren-8(6H)-one 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以99%的产率得到(4bRS,7aRS,10aSR)-9-ethyl-5,6,7,7a,9,10,11,12-octahydro-7a-methylcyclopenta
phenanthren-8(4bH)-one