3-ethyl 1,2-dimethyl (1S,2S,3R,4R,5R,10R,11R)-10-benzyloxy-4,5-(diethylmethylenedioxy)-1,2-(dimethylmethylenedioxy)-11-methyl-6-oxo-12-phenyl-3-(trimethylsilyloxy)-7-dodecyne-1,2,3-tricarboxylate 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 0.17h,
以93%的产率得到3-ethyl 1,2-dimethyl (1S,2S,3R,4R,5R,10R,11R)-10-benzyloxy-4,5-(diethylmethylenedioxy)-1,2-(dimethylmethylenedioxy)-11-methyl-6-oxo-12-phenyl-3-(trimethylsilyloxy)dodecane-1,2,3-tricarboxylate