methyl (13Z,15E,17E,22E,24Z)-3β-acetoxy-12-oxomalabarica-13,15,17,22,24-pentaen-26-oate 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
反应 18.0h,
生成
2,6-Dimethyl-10-((3S,3aR,5aR,9aR,9bR)-3a,6,6,9a-tetramethyl-2,7-dioxo-dodecahydro-cyclopenta[a]naphthalen-3-yl)-undecanoic acid methyl ester