(2S,9bR)-6-chloro-3-{[(1,1-dimethylethyl)oxy]carbonyl}-9b-({[(1,1-dimethylethyl)oxy]carbonyl}oxy)-5-methyl-1,2,3,3a,5,9b-hexahydropyrrolo[2,3-c][2,1]benzoxazine-2-carboxylic acid 、
氢气 在
钯 ethyl acetate n-hexane 作用下,
以
乙酸乙酯 为溶剂,
反应 170.0h,
以to give the product as a white foam (17.5 g)的产率得到(2S,9bR)-6-chloro-3-{[(1,1-dimethylethyl)oxy]carbonyl}-9b-({[(1,1-dimethylethyl)oxy]carbonyl}oxy)-5-methyl-1,2,3,3a,5,9b-hexahydropyrrolo[2,3-c][2,1]benzoxazine-2-carboxylic acid