合成路线图解说明: The reaction of 4-nitrobenzoyl chloride (I) with 3-chloropropylamine (II) by menas of triethylamine in dichloromethane gives the corresponding amide (III), which is then condensed with 2-(3,4-dimethoxyphenyl)ethylamine (IV) by means of triethylamine in refluxing dichloromethane. |