2-{2-[6-Hydroxy-5-methyl-3,4-dihydro-2H-naphthalen-(1E)-ylidene]-ethyl}-2-methyl-cyclopentane-1,3-dione 在
KY-2 resin (acid form) 作用下,
以
甲醇 为溶剂,
反应 40.0h,
以67.4%的产率得到(S)-3-Hydroxy-4,13-dimethyl-6,7,11,12,13,16-hexahydro-cyclopenta[a]phenanthren-17-one