阿普斯特中间体 、
4-硝基邻苯二甲酸酐 反应 0.1h,
以Chromatography of the resulting oil gave 2-[1-(3-ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl]-5-nitro-iso-indoline-1,3-dione as a solid (1.42 g, 87% yield)的产率得到2-[1-(3-ethoxy-4-methoxyphenyl)-2-methyl-sulfonylethyl]-5-nitro-isoindoline-1,3-dione