(1R,8aR)-5,5,8a-Trimethyl-2-oxo-1,2,3,5,6,7,8,8a-octahydro-naphthalene-1-carboxylic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
反应 4.0h,
生成
(1R,4aS,8aS)-5,5,8a-trimethyl-2-oxo-decahydro-naphthalene-1-carboxylic acid (-)-menthyl ester