Acetic acid (E)-(R)-4-((2R,4S,5R)-4-hydroxy-5-methyl-tetrahydro-furan-2-yl)-1-[1-methyl-1-((2S,5R)-5-methyl-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-but-3-enyl ester 在
palladium on activated charcoal
盐酸 、
sodium hydroxide 、
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 3.0h,
生成 (3R,6S)-6-[(R)-2-Hydroxy-5-((2S,4S,5R)-4-hydroxy-5-methyl-tetrahydro-furan-2-yl)-1,1-dimethyl-pentyl]-3-methyl-tetrahydro-pyran-2-one