溴代环己烷 、
(1R,4aS)-6-((E)-(hydroxyimino)methyl)-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylic acid 在
potassium hydroxide 作用下,
以
乙醇 为溶剂,
以60.6%的产率得到(1R,4aS)-6-((E)-((cyclohexyloxy)imino)methyl)-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylic acid