methyl (1S,4aS,10aR)-6-((4-isopropylbenzyl)oxy)-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylate 在
氢氧化钾 、
18-冠醚-6 作用下,
以
甲醇 为溶剂,
生成
(1S,4aS,10aR)-1,4a-dimethyl-6-[(4-propan-2-ylphenyl)methoxy]-2,3,4,9,10,10a-hexahydrophenanthrene-1-carboxylic acid