3-Chloro-4,6-dimethoxy-2-methyl-benzoic acid (7R,8S,8aS)-8-hydroxy-7-methyl-6-oxo-3-((E)-propenyl)-6,7,8,8a-tetrahydro-1H-isochromen-7-yl ester 在
palladium on activated charcoal
氢气 、
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
生成
(3R,4aR,7R,8S,8aS)-7,8-Dihydroxy-7-methyl-3-propyl-octahydro-isochromen-6-one