tert-butyl ((3S,7S,8R,9S)-7-benzyl-9-methyl-2-oxo-8-(((E)-3-oxobut-1-en-1-yl)oxy)-1,5-dioxonan-3-yl)carbamate 在
钯 氢气 、
乙酸乙酯 、 silica gel 、 hexanes 作用下,
以
乙酸乙酯 为溶剂,
反应 16.0h,
以provided tert-butyl ((3S,7S,8R,9S)-7-benzyl-9-methyl-2-oxo-8-(3-oxobutoxy)-1,5-dioxonan-3-yl)carbamate (417 mg, 69%) as well as tert-butyl ((3S,7S,8R,9S)-7-benzyl-8-(3-hydroxybutoxy)-9-methyl-2-oxo-1,5-dioxonan-3-yl)carbamate (86 mg, 14%)的产率得到tert-butyl ((3S,7S,8R,9S)-7-benzyl-9-methyl-2-oxo-8-(3-oxobutoxy)-1,5-dioxonan-3-yl)carbamate